qxt
qxu
qxw
qya
qyp
raa
rab
rac
rad
raf
rag
rah
rai
raj
rak
ral
ram
ran
rao
rap
raq
rar
ras
rat
rau
rav
raw
rax
ray
raz
rbb
rbk
rbl
rbp
rcf
rdb
rea
reb
ree
reg
rei
rej
rel
rem
ren
rer
res
ret
rey
rga
ISO 639-3