Introduction The letters p and b represent bilabial consonants, respectively voiceless and voiced. Form The bilabial sounds are: Uppercase Lowercase Phonetics P p /p/ B b /b/ Example p: pizza, plate, puzzle; b: bag, big, bubble. Use To pronounce bilabial consonants the flow of air is stopped or restricted by the two lips. p: voiceless, vocal cords do not vibrate during the articulation of the consonant; b: voiced, vocal cords vibrate during the articulation of the consonant.
