On grammatical class:

be'e
vocative: request to send/speak.
co'o
vocative: partings/good-bye.
coi
vocative: greetings/hello.
fe'o
vocative: over and out (end discussion).
fi'i
vocative: hospitality - inhospitality; you are welcome/ make yourself at home.
je'e
vocative: roger (ack) - negative acknowledge; used to acknowledge offers and thanks.
ju'i
vocative: attention - at ease - ignore me.
ke'o
vocative: please repeat.
ki'e
vocative: thanks - no thanks to you.
mi'e
self vocative: self-introduction - denial of identity; identifies speaker.
mu'o
vocative: over (response OK) - more to come.
nu'e
vocative: promise - promise release - un-promise.
pe'u
vocative: please.
re'i
vocative: ready to receive - not ready to receive.
ta'a
vocative: interruption.
vi'o
vocative: wilco (ack and will comply).
coico'o
vocative: greetings in passing.
fi'inai
vocative: hospitality - inhospitality.
je'enai
vocative: roger (ack) - negative acknowledge; I didn't hear you.
ju'icu'i
vocative: attention - at ease - ignore me.
ju'inai
vocative: attention - at ease - ignore me.
ki'enai
vocative: thanks - no thanks to you.
mi'enai
self vocative: self-introduction - denial of identity; denies identity of speaker.
mu'onai
vocative: over (response OK) - more to come.
nu'ecu'i
vocative: promise - promise release - un-promise.
nu'enai
vocative: promise - promise release - un-promise.
re'inai
vocative: ready to receive - not ready to receive.
a'oi
vocative: slightly piratical greetings
bu'oi
Interjection: Boo!
ci'oi
Converts following cmevla or zoi-quote into psychomime.
co'oi
Combination of {coi} and {co'o}, indicating either greetings or partings according to context.
di'ai
vocative: well-wish - curse
fau'u
Forgive me!/I'm sorry!
ki'ai
Converts following cmevla or zoi-quote into a nonce interjection/attitudinal.
o'ai
vocative: slightly surprised greetings
sa'ei
Converts following cmevla or zoi-quote into onomatopoeia. (bam! crash! kapow! etc.)
tai'i
Converts following cmevla or zoi-quote into phenomime.
xai'a
vocative: Hyah! (battle cry/kiai)
xu'u'i
vocative: a controlled, focused breathing technique (used for coping, as with pain, fear, etc.)