Allophonic variations of /b/ Allophone Occurrence Example [b-]Unreleased in word final position rob [b:lengthened when arresting /b/is followed by a releasing /b/Rob Bob [b Nasal resonance,before a syllabic nasal Rob him. 18 18 Allophonic variations of /b/ Allophone Occurrence Example [b-] Unreleased in word final position rob [b:] lengthened when arresting /b/ is followed by a releasing /b/ Rob Bob [b ͂ ] Nasal resonance, before a syllabic nasal Rob him