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Main sound category: Diphthongs
Source vowel: SoundCategory object (198)
Target vowel: SoundCategory object (172)
IPA symbol: æu
IPA description: near open front unrounded to close back rounded diphthong
UPSID symbol: aau
UPSID description: near open front unrounded to close back rounded diphthong
Occurs in 1 language
That is in 0.20% of all languages
Occurs in: Estonian