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Main sound category: Diphthongs
Source vowel: SoundCategory object (189)
Target vowel: SoundCategory object (172)
IPA symbol: ou
IPA description: close mid back rounded to close back rounded diphthong
UPSID symbol: calst_uo
UPSID description: calst_uo
Occurs in 2 languages
That is in 0.41% of all languages
Occurs in: Bengali_Bangladesh Catalan (Central)