xo _PA4 cmavo

digit/number: number/digit/lerfu question.

In notes:

du'ukau (comp!): bridi abstractor: x₁ is the answer to the question x₂
retsku: c₁=p₃ asks/puts question c₂=p₁ (sedu'u/text/lu'e concept) of/to c₃=p₄ via expressive medium c₄ about subject p₂.
ku'i'a (exp!): PA: blank/empty digit
sai'ei (exp!): turns PA into CAI; intensity attitude modifier expressed by a mekso.
se'u'o (exp!): selbri conversion question
xo'e (exp!): elliptical/unspecified number.