scc
scr
sdd
sdi
sgl
sgo
sic
skl
slb
srj
stc
suf
suh
sul
sum
suu
szk
tgg
thx
tie
tkk
tle
tlw
tlz
tmx
tnf
tnj
tot
tsf
ttx
tzb
tzc
tze
tzs
tzt
tzu
tzz
ubm
unp
uok
vky
vlr
vmo
wgw
wit
wiw
wre
xah
xia
xkm
ISO 639-3 Retired Code Elements