diff --git a/spacy/morphology.pyx b/spacy/morphology.pyx
index 3ba50123c..870f05a87 100644
--- a/spacy/morphology.pyx
+++ b/spacy/morphology.pyx
@@ -62,6 +62,12 @@ def parse_feature(feature):
     return (field_id, offset)
 
 
+def get_field_size(field):
+    begin = 'begin_%s' % field
+    end = 'end_%s' % field
+    return (IDS[end] - IDS[begin]) - 1
+
+
 cdef class Morphology:
     '''Store the possible morphological analyses for a language, and index them
     by hash.
@@ -471,261 +477,6 @@ cdef int is_verb_type_feature(univ_morph_t feature) nogil:
     return feature > begin_VerbType and feature < end_VerbType
 
 
-IDS = {
-    "Animacy_anim": Animacy_anim,
-    "Animacy_inan": Animacy_inan,
-    "Animacy_hum": Animacy_hum, # U20
-    "Animacy_nhum": Animacy_nhum,
-    "Aspect_freq": Aspect_freq,
-    "Aspect_imp": Aspect_imp,
-    "Aspect_mod": Aspect_mod,
-    "Aspect_none": Aspect_none,
-    "Aspect_perf": Aspect_perf,
-    "Case_abe": Case_abe,
-    "Case_abl": Case_abl,
-    "Case_abs": Case_abs,
-    "Case_acc": Case_acc,
-    "Case_ade": Case_ade,
-    "Case_all": Case_all,
-    "Case_cau": Case_cau,
-    "Case_com": Case_com,
-    "Case_dat": Case_dat,
-    "Case_del": Case_del,
-    "Case_dis": Case_dis,
-    "Case_ela": Case_ela,
-    "Case_ess": Case_ess,
-    "Case_gen": Case_gen,
-    "Case_ill": Case_ill,
-    "Case_ine": Case_ine,
-    "Case_ins": Case_ins,
-    "Case_loc": Case_loc,
-    "Case_lat": Case_lat,
-    "Case_nom": Case_nom,
-    "Case_par": Case_par,
-    "Case_sub": Case_sub,
-    "Case_sup": Case_sup,
-    "Case_tem": Case_tem,
-    "Case_ter": Case_ter,
-    "Case_tra": Case_tra,
-    "Case_voc": Case_voc,
-    "Definite_two": Definite_two,
-    "Definite_def": Definite_def,
-    "Definite_red": Definite_red,
-    "Definite_cons": Definite_cons,  # U20
-    "Definite_ind": Definite_ind,
-    "Degree_cmp": Degree_cmp,
-    "Degree_comp": Degree_comp,
-    "Degree_none": Degree_none,
-    "Degree_pos": Degree_pos,
-    "Degree_sup": Degree_sup,
-    "Degree_abs": Degree_abs,
-    "Degree_com": Degree_com,
-    "Degree_dim ": Degree_dim,  # du
-    "Gender_com": Gender_com,
-    "Gender_fem": Gender_fem,
-    "Gender_masc": Gender_masc,
-    "Gender_neut": Gender_neut,
-    "Mood_cnd": Mood_cnd,
-    "Mood_imp": Mood_imp,
-    "Mood_ind": Mood_ind,
-    "Mood_n": Mood_n,
-    "Mood_pot": Mood_pot,
-    "Mood_sub": Mood_sub,
-    "Mood_opt": Mood_opt,
-    "Negative_neg": Negative_neg,
-    "Negative_pos": Negative_pos,
-    "Negative_yes": Negative_yes,
-    "Polarity_neg": Polarity_neg,  # U20
-    "Polarity_pos": Polarity_pos,  # U20
-    "Number_com": Number_com,
-    "Number_dual": Number_dual,
-    "Number_none": Number_none,
-    "Number_plur": Number_plur,
-    "Number_sing": Number_sing,
-    "Number_ptan ": Number_ptan,  # bg
-    "Number_count ": Number_count,  # bg
-    "NumType_card": NumType_card,
-    "NumType_dist": NumType_dist,
-    "NumType_frac": NumType_frac,
-    "NumType_gen": NumType_gen,
-    "NumType_mult": NumType_mult,
-    "NumType_none": NumType_none,
-    "NumType_ord": NumType_ord,
-    "NumType_sets": NumType_sets,
-    "Person_one": Person_one,
-    "Person_two": Person_two,
-    "Person_three": Person_three,
-    "Person_none": Person_none,
-    "Poss_yes": Poss_yes,
-    "PronType_advPart": PronType_advPart,
-    "PronType_art": PronType_art,
-    "PronType_default": PronType_default,
-    "PronType_dem": PronType_dem,
-    "PronType_ind": PronType_ind,
-    "PronType_int": PronType_int,
-    "PronType_neg": PronType_neg,
-    "PronType_prs": PronType_prs,
-    "PronType_rcp": PronType_rcp,
-    "PronType_rel": PronType_rel,
-    "PronType_tot": PronType_tot,
-    "PronType_clit": PronType_clit,
-    "PronType_exc ": PronType_exc,  # es, ca, it, fa,
-    "Reflex_yes": Reflex_yes,
-    "Tense_fut": Tense_fut,
-    "Tense_imp": Tense_imp,
-    "Tense_past": Tense_past,
-    "Tense_pres": Tense_pres,
-    "VerbForm_fin": VerbForm_fin,
-    "VerbForm_ger": VerbForm_ger,
-    "VerbForm_inf": VerbForm_inf,
-    "VerbForm_none": VerbForm_none,
-    "VerbForm_part": VerbForm_part,
-    "VerbForm_partFut": VerbForm_partFut,
-    "VerbForm_partPast": VerbForm_partPast,
-    "VerbForm_partPres": VerbForm_partPres,
-    "VerbForm_sup": VerbForm_sup,
-    "VerbForm_trans": VerbForm_trans,
-    "VerbForm_conv": VerbForm_conv,  # U20
-    "VerbForm_gdv ": VerbForm_gdv,  # la,
-    "Voice_act": Voice_act,
-    "Voice_cau": Voice_cau,
-    "Voice_pass": Voice_pass,
-    "Voice_mid ": Voice_mid,  # gkc,
-    "Voice_int ": Voice_int,  # hb,
-    "Abbr_yes ": Abbr_yes,  # cz, fi, sl, U,
-    "AdpType_prep ": AdpType_prep,  # cz, U,
-    "AdpType_post ": AdpType_post,  # U,
-    "AdpType_voc ": AdpType_voc,  # cz,
-    "AdpType_comprep ": AdpType_comprep,  # cz,
-    "AdpType_circ ": AdpType_circ,  # U,
-    "AdvType_man": AdvType_man,
-    "AdvType_loc": AdvType_loc,
-    "AdvType_tim": AdvType_tim,
-    "AdvType_deg": AdvType_deg,
-    "AdvType_cau": AdvType_cau,
-    "AdvType_mod": AdvType_mod,
-    "AdvType_sta": AdvType_sta,
-    "AdvType_ex": AdvType_ex,
-    "AdvType_adadj": AdvType_adadj,
-    "ConjType_oper ": ConjType_oper,  # cz, U,
-    "ConjType_comp ": ConjType_comp,  # cz, U,
-    "Connegative_yes ": Connegative_yes,  # fi,
-    "Derivation_minen ": Derivation_minen,  # fi,
-    "Derivation_sti ": Derivation_sti,  # fi,
-    "Derivation_inen ": Derivation_inen,  # fi,
-    "Derivation_lainen ": Derivation_lainen,  # fi,
-    "Derivation_ja ": Derivation_ja,  # fi,
-    "Derivation_ton ": Derivation_ton,  # fi,
-    "Derivation_vs ": Derivation_vs,  # fi,
-    "Derivation_ttain ": Derivation_ttain,  # fi,
-    "Derivation_ttaa ": Derivation_ttaa,  # fi,
-    "Echo_rdp ": Echo_rdp,  # U,
-    "Echo_ech ": Echo_ech,  # U,
-    "Foreign_foreign ": Foreign_foreign,  # cz, fi, U,
-    "Foreign_fscript ": Foreign_fscript,  # cz, fi, U,
-    "Foreign_tscript ": Foreign_tscript,  # cz, U,
-    "Foreign_yes ": Foreign_yes,  # sl,
-    "Gender_dat_masc ": Gender_dat_masc,  # bq, U,
-    "Gender_dat_fem ": Gender_dat_fem,  # bq, U,
-    "Gender_erg_masc ": Gender_erg_masc,  # bq,
-    "Gender_erg_fem ": Gender_erg_fem,  # bq,
-    "Gender_psor_masc ": Gender_psor_masc,  # cz, sl, U,
-    "Gender_psor_fem ": Gender_psor_fem,  # cz, sl, U,
-    "Gender_psor_neut ": Gender_psor_neut,  # sl,
-    "Hyph_yes ": Hyph_yes,  # cz, U,
-    "InfForm_one ": InfForm_one,  # fi,
-    "InfForm_two ": InfForm_two,  # fi,
-    "InfForm_three ": InfForm_three,  # fi,
-    "NameType_geo ": NameType_geo,  # U, cz,
-    "NameType_prs ": NameType_prs,  # U, cz,
-    "NameType_giv ": NameType_giv,  # U, cz,
-    "NameType_sur ": NameType_sur,  # U, cz,
-    "NameType_nat ": NameType_nat,  # U, cz,
-    "NameType_com ": NameType_com,  # U, cz,
-    "NameType_pro ": NameType_pro,  # U, cz,
-    "NameType_oth ": NameType_oth,  # U, cz,
-    "NounType_com ": NounType_com,  # U,
-    "NounType_prop ": NounType_prop,  # U,
-    "NounType_class ": NounType_class,  # U,
-    "Number_abs_sing ": Number_abs_sing,  # bq, U,
-    "Number_abs_plur ": Number_abs_plur,  # bq, U,
-    "Number_dat_sing ": Number_dat_sing,  # bq, U,
-    "Number_dat_plur ": Number_dat_plur,  # bq, U,
-    "Number_erg_sing ": Number_erg_sing,  # bq, U,
-    "Number_erg_plur ": Number_erg_plur,  # bq, U,
-    "Number_psee_sing ": Number_psee_sing,  # U,
-    "Number_psee_plur ": Number_psee_plur,  # U,
-    "Number_psor_sing ": Number_psor_sing,  # cz, fi, sl, U,
-    "Number_psor_plur ": Number_psor_plur,  # cz, fi, sl, U,
-    "NumForm_digit ": NumForm_digit,  # cz, sl, U,
-    "NumForm_roman ": NumForm_roman,  # cz, sl, U,
-    "NumForm_word ": NumForm_word,  # cz, sl, U,
-    "NumValue_one ": NumValue_one,  # cz, U,
-    "NumValue_two ": NumValue_two,  # cz, U,
-    "NumValue_three ": NumValue_three,  # cz, U,
-    "PartForm_pres ": PartForm_pres,  # fi,
-    "PartForm_past ": PartForm_past,  # fi,
-    "PartForm_agt ": PartForm_agt,  # fi,
-    "PartForm_neg ": PartForm_neg,  # fi,
-    "PartType_mod ": PartType_mod,  # U,
-    "PartType_emp ": PartType_emp,  # U,
-    "PartType_res ": PartType_res,  # U,
-    "PartType_inf ": PartType_inf,  # U,
-    "PartType_vbp ": PartType_vbp,  # U,
-    "Person_abs_one ": Person_abs_one,  # bq, U,
-    "Person_abs_two ": Person_abs_two,  # bq, U,
-    "Person_abs_three ": Person_abs_three,  # bq, U,
-    "Person_dat_one ": Person_dat_one,  # bq, U,
-    "Person_dat_two ": Person_dat_two,  # bq, U,
-    "Person_dat_three ": Person_dat_three,  # bq, U,
-    "Person_erg_one ": Person_erg_one,  # bq, U,
-    "Person_erg_two ": Person_erg_two,  # bq, U,
-    "Person_erg_three ": Person_erg_three,  # bq, U,
-    "Person_psor_one ": Person_psor_one,  # fi, U,
-    "Person_psor_two ": Person_psor_two,  # fi, U,
-    "Person_psor_three ": Person_psor_three,  # fi, U,
-    "Polite_inf ": Polite_inf,  # bq, U,
-    "Polite_pol ": Polite_pol,  # bq, U,
-    "Polite_abs_inf ": Polite_abs_inf,  # bq, U,
-    "Polite_abs_pol ": Polite_abs_pol,  # bq, U,
-    "Polite_erg_inf ": Polite_erg_inf,  # bq, U,
-    "Polite_erg_pol ": Polite_erg_pol,  # bq, U,
-    "Polite_dat_inf ": Polite_dat_inf,  # bq, U,
-    "Polite_dat_pol ": Polite_dat_pol,  # bq, U,
-    "Prefix_yes ": Prefix_yes,  # U,
-    "PrepCase_npr ": PrepCase_npr,  # cz,
-    "PrepCase_pre ": PrepCase_pre,  # U,
-    "PunctSide_ini ": PunctSide_ini,  # U,
-    "PunctSide_fin ": PunctSide_fin,  # U,
-    "PunctType_peri ": PunctType_peri,  # U,
-    "PunctType_qest ": PunctType_qest,  # U,
-    "PunctType_excl ": PunctType_excl,  # U,
-    "PunctType_quot ": PunctType_quot,  # U,
-    "PunctType_brck ": PunctType_brck,  # U,
-    "PunctType_comm ": PunctType_comm,  # U,
-    "PunctType_colo ": PunctType_colo,  # U,
-    "PunctType_semi ": PunctType_semi,  # U,
-    "PunctType_dash ": PunctType_dash,  # U,
-    "Style_arch ": Style_arch,  # cz, fi, U,
-    "Style_rare ": Style_rare,  # cz, fi, U,
-    "Style_poet ": Style_poet,  # cz, U,
-    "Style_norm ": Style_norm,  # cz, U,
-    "Style_coll ": Style_coll,  # cz, U,
-    "Style_vrnc ": Style_vrnc,  # cz, U,
-    "Style_sing ": Style_sing,  # cz, U,
-    "Style_expr ": Style_expr,  # cz, U,
-    "Style_derg ": Style_derg,  # cz, U,
-    "Style_vulg ": Style_vulg,  # cz, U,
-    "Style_yes ": Style_yes,  # fi, U,
-    "StyleVariant_styleShort ": StyleVariant_styleShort,  # cz,
-    "StyleVariant_styleBound ": StyleVariant_styleBound,  # cz, sl,
-    "VerbType_aux ": VerbType_aux,  # U,
-    "VerbType_cop ": VerbType_cop,  # U,
-    "VerbType_mod ": VerbType_mod,  # U,
-    "VerbType_light ": VerbType_light,  # U,
-}
-
-
 FIELDS = {
     'Abbr': 0,
     'AdpType': 1,
@@ -770,6 +521,346 @@ FIELDS = {
     'VerbType': 40
 }
 
+IDS = {
+   "begin_Abbr": begin_Abbr,
+   "Abbr_yes ": Abbr_yes ,
+   "end_Abbr": end_Abbr,
+   "begin_AdpType": begin_AdpType,
+   "AdpType_circ": AdpType_circ,
+   "AdpType_comprep": AdpType_comprep,
+   "AdpType_prep ": AdpType_prep ,
+   "AdpType_post": AdpType_post,
+   "AdpType_voc": AdpType_voc,
+   "end_AdpType": end_AdpType,
+   "begin_AdvType": begin_AdvType,
+   "AdvType_adadj": AdvType_adadj,
+   "AdvType_cau": AdvType_cau,
+   "AdvType_deg": AdvType_deg,
+   "AdvType_ex": AdvType_ex,
+   "AdvType_loc": AdvType_loc,
+   "AdvType_man": AdvType_man,
+   "AdvType_mod": AdvType_mod,
+   "AdvType_sta": AdvType_sta,
+   "AdvType_tim": AdvType_tim,
+   "end_AdvType": end_AdvType,
+   "begin_Animacy": begin_Animacy,
+   "Animacy_anim": Animacy_anim,
+   "Animacy_hum": Animacy_hum,
+   "Animacy_inan": Animacy_inan,
+   "Animacy_nhum": Animacy_nhum,
+   "end_Animacy": end_Animacy,
+   "begin_Aspect": begin_Aspect,
+   "Aspect_freq": Aspect_freq,
+   "Aspect_imp": Aspect_imp,
+   "Aspect_mod": Aspect_mod,
+   "Aspect_none": Aspect_none,
+   "Aspect_perf": Aspect_perf,
+   "end_Aspect": end_Aspect,
+   "begin_Case": begin_Case,
+   "Case_abe": Case_abe,
+   "Case_abl": Case_abl,
+   "Case_abs": Case_abs,
+   "Case_acc": Case_acc,
+   "Case_ade": Case_ade,
+   "Case_all": Case_all,
+   "Case_cau": Case_cau,
+   "Case_com": Case_com,
+   "Case_dat": Case_dat,
+   "Case_del": Case_del,
+   "Case_dis": Case_dis,
+   "Case_ela": Case_ela,
+   "Case_ess": Case_ess,
+   "Case_gen": Case_gen,
+   "Case_ill": Case_ill,
+   "Case_ine": Case_ine,
+   "Case_ins": Case_ins,
+   "Case_loc": Case_loc,
+   "Case_lat": Case_lat,
+   "Case_nom": Case_nom,
+   "Case_par": Case_par,
+   "Case_sub": Case_sub,
+   "Case_sup": Case_sup,
+   "Case_tem": Case_tem,
+   "Case_ter": Case_ter,
+   "Case_tra": Case_tra,
+   "Case_voc": Case_voc,
+   "end_Case": end_Case,
+   "begin_ConjType": begin_ConjType,
+   "ConjType_comp ": ConjType_comp ,
+   "ConjType_oper": ConjType_oper,
+   "end_ConjType": end_ConjType,
+   "begin_Connegative": begin_Connegative,
+   "Connegative_yes": Connegative_yes,
+   "end_Connegative": end_Connegative,
+   "begin_Definite": begin_Definite,
+   "Definite_cons": Definite_cons,
+   "Definite_def": Definite_def,
+   "Definite_ind": Definite_ind,
+   "Definite_red": Definite_red,
+   "Definite_two": Definite_two,
+   "end_Definite": end_Definite,
+   "begin_Degree": begin_Degree,
+   "Degree_abs": Degree_abs,
+   "Degree_cmp": Degree_cmp,
+   "Degree_comp": Degree_comp,
+   "Degree_none": Degree_none,
+   "Degree_pos": Degree_pos,
+   "Degree_sup": Degree_sup,
+   "Degree_com": Degree_com,
+   "Degree_dim": Degree_dim,
+   "end_Degree": end_Degree,
+   "begin_Gender": begin_Gender,
+   "Gender_com": Gender_com,
+   "Gender_fem": Gender_fem,
+   "Gender_masc": Gender_masc,
+   "Gender_neut": Gender_neut,
+   "Gender_dat_masc": Gender_dat_masc,
+   "Gender_dat_fem": Gender_dat_fem,
+   "Gender_erg_masc": Gender_erg_masc,
+   "Gender_erg_fem": Gender_erg_fem,
+   "Gender_psor_masc": Gender_psor_masc,
+   "Gender_psor_fem": Gender_psor_fem,
+   "Gender_psor_neut": Gender_psor_neut,
+   "end_Gender": end_Gender,
+   "begin_Mood": begin_Mood,
+   "Mood_cnd": Mood_cnd,
+   "Mood_imp": Mood_imp,
+   "Mood_ind": Mood_ind,
+   "Mood_n": Mood_n,
+   "Mood_pot": Mood_pot,
+   "Mood_sub": Mood_sub,
+   "Mood_opt": Mood_opt,
+   "end_Mood": end_Mood,
+   "begin_Negative": begin_Negative,
+   "Negative_neg": Negative_neg,
+   "Negative_pos": Negative_pos,
+   "Negative_yes": Negative_yes,
+   "end_Negative": end_Negative,
+   "begin_Polarity": begin_Polarity,
+   "Polarity_neg": Polarity_neg,
+   "Polarity_pos": Polarity_pos,
+   "end_Polarity": end_Polarity,
+   "begin_Number": begin_Number,
+   "Number_com": Number_com,
+   "Number_dual": Number_dual,
+   "Number_none": Number_none,
+   "Number_plur": Number_plur,
+   "Number_sing": Number_sing,
+   "Number_ptan": Number_ptan,
+   "Number_count": Number_count,
+   "Number_abs_sing": Number_abs_sing,
+   "Number_abs_plur": Number_abs_plur,
+   "Number_dat_sing": Number_dat_sing,
+   "Number_dat_plur": Number_dat_plur,
+   "Number_erg_sing": Number_erg_sing,
+   "Number_erg_plur": Number_erg_plur,
+   "Number_psee_sing": Number_psee_sing,
+   "Number_psee_plur": Number_psee_plur,
+   "Number_psor_sing": Number_psor_sing,
+   "Number_psor_plur": Number_psor_plur,
+   "end_Number": end_Number,
+   "begin_NumType": begin_NumType,
+   "NumType_card": NumType_card,
+   "NumType_dist": NumType_dist,
+   "NumType_frac": NumType_frac,
+   "NumType_gen": NumType_gen,
+   "NumType_mult": NumType_mult,
+   "NumType_none": NumType_none,
+   "NumType_ord": NumType_ord,
+   "NumType_sets": NumType_sets,
+   "end_NumType": end_NumType,
+   "begin_Person": begin_Person,
+   "Person_one": Person_one,
+   "Person_two": Person_two,
+   "Person_three": Person_three,
+   "Person_none": Person_none,
+   "Person_abs_one": Person_abs_one,
+   "Person_abs_two": Person_abs_two,
+   "Person_abs_three": Person_abs_three,
+   "Person_dat_one": Person_dat_one,
+   "Person_dat_two": Person_dat_two,
+   "Person_dat_three": Person_dat_three,
+   "Person_erg_one": Person_erg_one,
+   "Person_erg_two": Person_erg_two,
+   "Person_erg_three": Person_erg_three,
+   "Person_psor_one": Person_psor_one,
+   "Person_psor_two": Person_psor_two,
+   "Person_psor_three": Person_psor_three,
+   "end_Person": end_Person,
+   "begin_Poss": begin_Poss,
+   "Poss_yes": Poss_yes,
+   "end_Poss": end_Poss,
+   "begin_PronType": begin_PronType,
+   "PronType_advPart": PronType_advPart,
+   "PronType_art": PronType_art,
+   "PronType_default": PronType_default,
+   "PronType_dem": PronType_dem,
+   "PronType_ind": PronType_ind,
+   "PronType_int": PronType_int,
+   "PronType_neg": PronType_neg,
+   "PronType_prs": PronType_prs,
+   "PronType_rcp": PronType_rcp,
+   "PronType_rel": PronType_rel,
+   "PronType_tot": PronType_tot,
+   "PronType_clit": PronType_clit,
+   "PronType_exc": PronType_exc,
+   "end_PronType": end_PronType,
+   "begin_Reflex": begin_Reflex,
+   "Reflex_yes": Reflex_yes,
+   "end_Reflex": end_Reflex,
+   "begin_Tense": begin_Tense,
+   "Tense_fut": Tense_fut,
+   "Tense_imp": Tense_imp,
+   "Tense_past": Tense_past,
+   "Tense_pres": Tense_pres,
+   "end_Tense": end_Tense,
+   "begin_VerbForm": begin_VerbForm,
+   "VerbForm_fin": VerbForm_fin,
+   "VerbForm_ger": VerbForm_ger,
+   "VerbForm_inf": VerbForm_inf,
+   "VerbForm_none": VerbForm_none,
+   "VerbForm_part": VerbForm_part,
+   "VerbForm_partFut": VerbForm_partFut,
+   "VerbForm_partPast": VerbForm_partPast,
+   "VerbForm_partPres": VerbForm_partPres,
+   "VerbForm_sup": VerbForm_sup,
+   "VerbForm_trans": VerbForm_trans,
+   "VerbForm_conv": VerbForm_conv,
+   "VerbForm_gdv": VerbForm_gdv,
+   "end_VerbForm": end_VerbForm,
+   "begin_Voice": begin_Voice,
+   "Voice_act": Voice_act,
+   "Voice_cau": Voice_cau,
+   "Voice_pass": Voice_pass,
+   "Voice_mid": Voice_mid,
+   "Voice_int": Voice_int,
+   "end_Voice": end_Voice,
+   "begin_Derivation": begin_Derivation,
+   "Derivation_minen": Derivation_minen,
+   "Derivation_sti": Derivation_sti,
+   "Derivation_inen": Derivation_inen,
+   "Derivation_lainen": Derivation_lainen,
+   "Derivation_ja": Derivation_ja,
+   "Derivation_ton": Derivation_ton,
+   "Derivation_vs": Derivation_vs,
+   "Derivation_ttain": Derivation_ttain,
+   "Derivation_ttaa": Derivation_ttaa,
+   "end_Derivation": end_Derivation,
+   "begin_Echo": begin_Echo,
+   "Echo_rdp": Echo_rdp,
+   "Echo_ech": Echo_ech,
+   "end_Echo": end_Echo,
+   "begin_Foreign": begin_Foreign,
+   "Foreign_foreign": Foreign_foreign,
+   "Foreign_fscript": Foreign_fscript,
+   "Foreign_tscript": Foreign_tscript,
+   "Foreign_yes": Foreign_yes,
+   "end_Foreign": end_Foreign,
+   "begin_Hyph": begin_Hyph,
+   "Hyph_yes": Hyph_yes,
+   "end_Hyph": end_Hyph,
+   "begin_InfForm": begin_InfForm,
+   "InfForm_one": InfForm_one,
+   "InfForm_two": InfForm_two,
+   "InfForm_three": InfForm_three,
+   "end_InfForm": end_InfForm,
+   "begin_NameType": begin_NameType,
+   "NameType_geo": NameType_geo,
+   "NameType_prs": NameType_prs,
+   "NameType_giv": NameType_giv,
+   "NameType_sur": NameType_sur,
+   "NameType_nat": NameType_nat,
+   "NameType_com": NameType_com,
+   "NameType_pro": NameType_pro,
+   "NameType_oth": NameType_oth,
+   "end_NameType": end_NameType,
+   "begin_NounType": begin_NounType,
+   "NounType_com": NounType_com,
+   "NounType_prop": NounType_prop,
+   "NounType_class": NounType_class,
+   "end_NounType": end_NounType,
+   "begin_NumForm": begin_NumForm,
+   "NumForm_digit": NumForm_digit,
+   "NumForm_roman": NumForm_roman,
+   "NumForm_word": NumForm_word,
+   "end_NumForm": end_NumForm,
+   "begin_NumValue": begin_NumValue,
+   "NumValue_one": NumValue_one,
+   "NumValue_two": NumValue_two,
+   "NumValue_three": NumValue_three,
+   "end_NumValue": end_NumValue,
+   "begin_PartForm": begin_PartForm,
+   "PartForm_pres": PartForm_pres,
+   "PartForm_past": PartForm_past,
+   "PartForm_agt": PartForm_agt,
+   "PartForm_neg": PartForm_neg,
+   "end_PartForm": end_PartForm,
+   "begin_PartType": begin_PartType,
+   "PartType_mod": PartType_mod,
+   "PartType_emp": PartType_emp,
+   "PartType_res": PartType_res,
+   "PartType_inf": PartType_inf,
+   "PartType_vbp": PartType_vbp,
+   "end_PartType": end_PartType,
+   "begin_Polite": begin_Polite,
+   "Polite_inf": Polite_inf,
+   "Polite_pol": Polite_pol,
+   "Polite_abs_inf": Polite_abs_inf,
+   "Polite_abs_pol": Polite_abs_pol,
+   "Polite_erg_inf": Polite_erg_inf,
+   "Polite_erg_pol": Polite_erg_pol,
+   "Polite_dat_inf": Polite_dat_inf,
+   "Polite_dat_pol": Polite_dat_pol,
+   "end_Polite": end_Polite,
+   "begin_Prefix": begin_Prefix,
+   "Prefix_yes": Prefix_yes,
+   "end_Prefix": end_Prefix,
+   "begin_PrepCase": begin_PrepCase,
+   "PrepCase_npr": PrepCase_npr,
+   "PrepCase_pre": PrepCase_pre,
+   "end_PrepCase": end_PrepCase,
+   "begin_PunctSide": begin_PunctSide,
+   "PunctSide_ini": PunctSide_ini,
+   "PunctSide_fin": PunctSide_fin,
+   "end_PunctSide": end_PunctSide,
+   "begin_PunctType": begin_PunctType,
+   "PunctType_peri": PunctType_peri,
+   "PunctType_qest": PunctType_qest,
+   "PunctType_excl": PunctType_excl,
+   "PunctType_quot": PunctType_quot,
+   "PunctType_brck": PunctType_brck,
+   "PunctType_comm": PunctType_comm,
+   "PunctType_colo": PunctType_colo,
+   "PunctType_semi": PunctType_semi,
+   "PunctType_dash": PunctType_dash,
+   "end_PunctType": end_PunctType,
+   "begin_Style": begin_Style,
+   "Style_arch": Style_arch,
+   "Style_rare": Style_rare,
+   "Style_poet": Style_poet,
+   "Style_norm": Style_norm,
+   "Style_coll": Style_coll,
+   "Style_vrnc": Style_vrnc,
+   "Style_sing": Style_sing,
+   "Style_expr": Style_expr,
+   "Style_derg": Style_derg,
+   "Style_vulg": Style_vulg,
+   "Style_yes": Style_yes,
+   "end_Style": end_Style,
+   "begin_StyleVariant": begin_StyleVariant,
+   "StyleVariant_styleShort": StyleVariant_styleShort,
+   "StyleVariant_styleBound": StyleVariant_styleBound,
+   "end_StyleVariant": end_StyleVariant,
+   "begin_VerbType": begin_VerbType,
+   "VerbType_aux": VerbType_aux,
+   "VerbType_cop": VerbType_cop,
+   "VerbType_mod": VerbType_mod,
+   "VerbType_light": VerbType_light,
+   "end_VerbType": end_VerbType,
+}
+
+
+FIELD_SIZES = [get_field_size(field) for field in FIELDS]
 
 NAMES = {value: key for key, value in IDS.items()}
 # Unfortunate hack here, to work around problem with long cpdef enum