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).
a'oi
vocative: slightly piratical greetings
bu'oi
Interjection: Boo!
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!
o'ai
vocative: slightly surprised greetings
xai'a
vocative: Hyah! (battle cry/kiai)
xu'u'i
vocative: a controlled, focused breathing technique (used for coping, as with pain, fear, etc.)
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.
ci'oi
Converts following cmevla or zoi-quote into psychomime.
ki'ai
Converts following cmevla or zoi-quote into a nonce interjection/attitudinal.
sa'ei
Converts following cmevla or zoi-quote into onomatopoeia. (bam! crash! kapow! etc.)
tai'i
Converts following cmevla or zoi-quote into phenomime.

In definition:

doi
generic vocative marker; identifies intended listener; elidable after COI.
cmavrcoi
x1 is the selma'o "COI".

In notes:

rinsa
x1 (agent) greets/hails/[welcomes/says hello to]/responds to arrival of x2 in manner x3 (action).
do'oi
generic single-word generic vocative marker; identifies intended listener with a single, possibly non-Lojban word, delimited by pauses (in speech) or by whitespace (in writing).
li'oi
marks word as being optional, i.e. the bridi would still be both grammatical AND reflect the speakers opinion/intention would the marked construct be left out
ma'oi
selma'o quote; quotes a word (a cmavo) and uses it to name a selma'o.
ni'au
attitudinal: 'how do you do?'