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Main sound category: Diphthongs
Source vowel: o : close mid back rounded vowel
Target vowel: i : close front unrounded vowel
IPA symbol: oːiː
IPA description: long close mid back rounded vowel to long close front unrounded vowel
UPSID symbol: o:i:
UPSID description: long higher mid back rounded vowel to long high front unrounded vowel
Occurs in 0 language
That is in 0.00% of all languages
Occurs in: