 /f/ is pronounced [ɸ]~[h] word-initially, or as [x] before the high nonback vowels /i ɨ/.The labial allophone [ɸ] is preferred in the Foi dialect; the glottal allophone [h] is preferred in Turu.It is always pronounced [h] word-medially and as an unreleased plosive [p̚] word-finally.