Tanggu (Tangu, Tanggum) is a Ramu language of Papua New Guinea.
Phonology +ConsonantsLotterman, Johan (1992). Tanggu Organised Phonology Data. SIL International.LabialAlveolarPalatalDorsalPlosivePrenasalizedFricative NasalApproximant /m/ can occur syllabically [m̩] word-initially. /ʁ/ is heard as [ɣ] before /i/. /ⁿdʒ/ is pronounced [z~j] in the Wagi dialect. +VowelsFrontCentralBackHighMidLow /ɨ/ almost always occurs only in unstressed syllables and diphthongs.
Additionally, the following diphthongs have been observed: /ia/, /ɨa/, /ai/, /ui/, /au/, /ua/. /ai/ is realised as [æ] word-finally.
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