Aion a.k.a. Ambakich is a Keram language of Papua New Guinea. It is only spoken by adults; children grow up speaking Tok Pisin.
Phonology +ConsonantsLabialAlveolarPalatalVelarPlosive()PrenasalizedFricativeNasal()Approximant /t/ and /ŋ/ only appear in loanwords. /p/ may sometimes be heard as [ɸ]. /k/ is sometimes pronounced as [q] or [ʔ], usually word-initially. /tʃ/ can manifest as [s], or when adjacent to /ɨ/, [t]. In certain words, the prenasalized consonants are denasalized. /s/ is occasionally [ʃ] before /i/. /n/ is heard as [ɲ] before /i/, and [ŋ] before /u/. Following /o/ and before any other vowel, /w/ is realized as [ŋ]. Before /a/, /j/ is heard as [ɲ]. Before the high vowels /i ɨ u/, /j/ is pronounced [dʒ]. +VowelsFrontCentralBackHighMidLow The high vowels /i ɨ u/ do not occur word-initially. /e/ is occasionally centralized to [ə]. /a/ is typically raised to [ə] in open syllables. /a/ can also range in realization to [ɛ], [ʌ], and [ɔ]. /u/ is sometimes unrounded to [ɤ]. /ɨ/ is often deleted between two consonants.
Additionally, the following diphthongs have been observed: /ai/, /ei/, /oi/, /au/, /ou/.
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