Rao is a Ramu language of western Madang Province, Papua New Guinea. In older literature it was called Annaberg.
Phonology +ConsonantsStanhope, John M. (2004). Rao Organised Phonology Data. SIL International.LabialAlveolarPalatalVelarGlottalPlosive PrenasalizedFricative ()NasalApproximant is often heard as word-initially and intervocalically. has only been found word-initially. is very rare and may be an allophone of . can also be realised as . +VowelsFrontCentralBackHigh MidLow
Additionally, the following diphthongs have been observed: /ia/, /ai/, /ea/.
Stress falls on the first syllable with a /ʔ/ in coda position. Otherwise, stress is fixed on the first syllable.
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