ort
oru
orv
orw
orx
ory
orz
osa
osc
osi
oso
osp
oss
ost
osu
osx
ota
otb
otd
ote
oti
otk
otl
otm
otn
otq
otr
ots
ott
otu
otw
otx
oty
otz
oua
oub
oue
oui
oum
ovd
owi
owl
oyb
oyd
oym
oyy
ozm
pab
pac
pad
ISO 639-3