The rules that use the vocabulary item "sa-9" are:

<specific_platoon_type-creatable-sing>

sa-9 zsu-23

<i_f_v-sing>

sa-9

sa-9 gaskin

swa sa-9 gaskin

<i_f_v-pl>

sa-9 gaskins

swa sa-9 gaskins

<i_f_v>

sa-9

sa-9 gaskin

sa-9 gaskins

swa sa-9 gaskin

swa sa-9 gaskins

<specific_platoon_type-not_creatable-sing>

sa-9 zsu-23

<specific_platoon_type-sing>

sa-9 zsu-23