slk
sll
slm
sln
slp
slq
slr
sls
slt
slu
slv
slw
slx
sly
slz
sma
smb
smc
smd
sme
smf
smg
smh
smj
smk
sml
smm
smn
smo
smp
smq
smr
sms
smt
smu
smv
smw
smx
smy
smz
sna
snb
snc
snd
sne
snf
sng
snh
sni
snj
ISO 639-3