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Main sound category:	Diphthongs
Source vowel:	SoundCategory object (197)
Target vowel:	SoundCategory object (172)
IPA symbol:	au
IPA description:	open front rounded to close back rounded diphthong
UPSID symbol:	calst_au
UPSID description:	calst_au
Occurs in	0 language
That is in	0.00% of all languages
Occurs in: