Bwaidoka is an Austronesian language spoken in Milne Bay Province of Papua New Guinea. It is a local lingua franca.

Phonology

Consonants

• /t/ can be pronounced as alveolar [t], or dental [t̪] when preceding central or back vowels.
• /ɡ/ can be pronounced as a voiced plosive [ɡ], or as a fricative [ɣ] on an unstressed syllable.
• /j/ can be pronounced as either [j] or as [ð] in free variation.

Vowels

• Vowel sounds /i, o, u/ do not occur following labialized consonants.
• /e/ may fluctuate freely from [e] to [ə] in syllable-final, and with [ɛ] as the first vowel sound on stressed syllables.
• /a/ may fluctuate freely from [a] to [ə] on unstressed syllables and as the second vowel sound on stressed syllables.
• /o/ may fluctuate freely from [o] to [ɔ] on unstressed syllables and as the second vowel sound on stressed syllables.^[2]