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Main sound category: Diphthongs
Source vowel: SoundCategory object (189)
Target vowel: SoundCategory object (167)
IPA symbol: oi
IPA description: close mid back rounded vowel to close front unrounded diphthong
UPSID symbol: calst_oi
UPSID description: calst_oi
Occurs in 5 languages
That is in 1.02% of all languages
Occurs in: Bengali_Bangladesh Catalan (Central) Indonesian Italian Italian_UPSID