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Main sound category: Diphthongs
Source vowel: SoundCategory object (167)
Target vowel: SoundCategory object (172)
IPA symbol: iu
IPA description: close front unrounded to close back rounded diphthong
UPSID symbol: iu
UPSID description: high front unrounded to high back rounded diphthong
Occurs in 8 languages
That is in 1.63% of all languages
Occurs in: Acoma Bengali_Bangladesh Cantonese Catalan (Central) Italian Mandarin Parauk Spanish (Castilian)