rmz
rna
rnd
rng
rnl
rnn
rnp
rnr
rnw
rob
roc
rod
roe
rof
rog
roh
rol
rom
ron
roo
rop
ror
rou
row
rpn
rpt
rri
rro
rrt
rsb
rsi
rsl
rsm
rtc
rth
rtm
rts
rtw
rub
ruc
rue
ruf
rug
ruh
rui
ruk
run
ruo
rup
ruq
ISO 639-3