On type:

abu
letteral for a.
canlu bu
space (character)
claxu bu
letteral: ellipsis mark (letteral).
dac bu
letteral: dash (letteral).
denpa bu
letteral: Lojban "." character.
du'u bu
the last sumti having a {du'u}-abstraction at its topmost level inside
ebu
letteral for e.
gimet bu
letteral: guillemet (letteral).
ibu
letteral for i.
joibu
letteral: ampersand character; especially used in standing for a mixed connective.
jorne bu
letteral: hyphen (letteral).
ka bu
the last sumti having a {ka}-abstraction at its topmost level inside
kolon bu
letteral: colon (letteral).
ky.bu
Letteral: “q” character
ni bu
the last sumti having a {ni}-abstraction at its topmost level inside
nu bu
pro-sumti: refers to the last complete sumti that started with a nu-abstraction
obu
letteral for o.
paubu
letteral: '?' symbol
ronru'u bu
letteral: euro coinage sign (letteral).
saibu
letteral: '!' symbol
semikolon bu
letteral: semicolon (letteral).
sitna bu
letteral: quotation mark (letteral).
slac bu
letteral: slash (letteral).
slaka bu
letteral: Lojban ',' character.
ubu
letteral for u.
uibu
letteral: happiness symbol (letteral).
veibu
letteral: left bracket (letteral).
ve'obu
letteral: right bracket (letteral).
vy.bu
Letteral: “w” character
xy.bu
letteral for "h" character
ybu
letteral for y.
y'y.bu
letteral for "h" character
zo'obu
letteral: humor symbol, ':-)' and its related forms expressing humor (letteral).