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One feature of the Ethnologue since its inception as a database in 1971 has been a system of three-letter codes for uniquely identifying languages. Learn more about the three-letter codes for identifying languages.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
oaa
oki
onn
ory
oac
okj
ono
orz
obi
okk
onp
osa
obk
okn
onr
osi
obl
okr
ons
oso
obo
oks
ont
oss
obu
oku
onu
ost
oca
okv
onx
osu
oci
okx
ood
otd
ocu
ola
oog
ote
oda
old
oon
oti
odk
ole
oor
otl
odu
olk
opa
otm
ofu
olm
opk
otn
ogb
olo
opm
otq
ogc
olr
opo
otr
ogg
olu
opt
ots
ogo
oma
opy
ott
ogu
omb
ora
otu
oia
omg
orc
otw
oin
omi
ore
otx
ojb
oml
org
otz
ojc
omo
orh
oua
ojg
omt
ori
oub
oji
omu
orm
oue
ojs
omw
orn
oum
ojv
ona
oro
ovd
ojw
onb
orr
owi
oka
one
ors
oyb
okb
ong
ort
oyd
okd
oni
oru
oym
oke
onj
orw
oyy
okg
onk
orx
ozm
okh