On grammatical class:

a
logical connective: sumti afterthought or.
e
logical connective: sumti afterthought and.
ji
logical connective: sumti afterthought connective question.
o
logical connective: sumti afterthought biconditional/iff/if-and-only-if.
u
logical connective: sumti afterthought whether-or-not.
enai
logical connective: sumti afterthought x but not y.
na.a
logical connective: sumti afterthought conditional/only if.
onai
logical connective: sumti afterthought exclusive or; Latin 'aut'.