On grammatical class:

doi
generic vocative marker; identifies intended listener; elidable after COI.
da'ei
attitudinal cause attribution
da'oi
attitudinal attribution
doido'u
generic vocative address to intended listener;.

In definition:

la'ei
combines LA with DOI
cmavrdoi
x1 is the selma'o "DOI".

In notes:

nolba'i
b1=n1 is titled with high aristocratic/noble/elite status in/under culture/society b3=n2.
di'ai
vocative: well-wish - curse
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).