It does not occur in the environment of final voiced bilabial stops or liquids.

The voiced bilabial stop is a type of consonantal sound, used in some spoken languages.

The voiced bilabial stop occurs in English, and it is the sound denoted by the letter b in boy.

Features of the voiced bilabial stop:

It is used to represent a variety of bilabial sounds (depending on language), but most commonly a voiced bilabial stop.

The voiced bilabial stop /b/ regularly intervenes between these two segments, e.g. lákamri [ˈlɑ.

The phoneme /b/ (the voiced bilabial stop) has a voiceless allophone [p] that occurs before other consonants or at the end of a word.