%(letter-set (!x aeioubcdfghjklmnpqrstvwxyz))
%(letter-set (!v aeiou))
%(letter-set (!c bcdfghjklmnpqrstvwxyz))
%(letter-set (!l l))
%(letter-set (!a a))
%(letter-set (!i i))
%(letter-set (!t t))
%(letter-set (!n n))

pl-noun :=  
%suffix (* kala)
pl-noun-lex-rule.

anim-acc-noun :=
%suffix (* e) (!v !vye)
anim-acc-noun-lex-rule.

dat-noun :=
%suffix (* kkx)
dat-noun-lex-rule.

adj-sg-masc := 
%suffix (* van)
adj-masc-sg-lex-rule.

adj-sg-fem := 
%suffix (* vala)
adj-fem-sg-lex-rule.

adj-pl-hum := 
%suffix (* var)
adj-hum-pl-lex-rule.

adj-sg-neut := 
%suffix (* tx)
adj-neut-sg-lex-rule.

past-verb :=
%suffix (* i) (!v!v !v!vyi) (!na!ta !na!tau) (!ca!ca !ca!cau) (!c!c !c!cu)
past-verb-rule.

pres-verb :=
%suffix (* unnu)
pres-verb-rule.

futr-verb :=
%suffix (* um) (!v !vm) (!v!v !v!vkaam)
futr-verb-rule.

neg1-infl-lr :=
%suffix (* alla)
neg-infl-lex-rule.

neg2-infl-lr :=
%suffix (* illa)
neg-infl-lex-rule.


n1-bottom :=
  %suffix (* um)
  n1-bottom-coord-rule.

n1-left :=
  %suffix (* um)
  n1-left-coord-rule.


quest-verb :=
%suffix (* oo) (!ca !coo) (!ce !coo) (!ci !coo) (!co !coo) (!cu !coo) (!i!l!la !i!l!lee) (!a!l!la !a!l!lee)
quest-verb-rule.

; ERB 2007-05-12 There's no need for these three to be distinct.

; nomnl1-verb :=
; %suffix (* atx) (!c!cu !c!catx)
; nomnl1-verb-rule.

; nomnl2-verb :=
; %suffix (* atx) (!c!cu !c!catx)
; nomnl2-verb-rule.

; nomnl3-verb :=
; %suffix (* atx) (!c!cu !c!catx)
; nomnl3-verb-rule.


nomnl-verb :=
%suffix (* atx) (!c!cu !c!catx)
nomnl-verb-rule.

; not including imp-pol since it contributes to overgeneration.
; there's a regular imperative form which is enough for now.
;imp-pol-verb := 
;%suffix (* ka)
;imp-pol-verb-rule.

aux-infl-verb :=
%suffix (* aam) (!xa !xaam)
infl-add-ccont-ltow-rule.