<prompt> Bilabial consonants areP, B, 9P, B, M, WM, L, WT, L, M, W  <response>: Pronounced or aiculated with both lips, as the consonants b, p, m, and wBaby stas producing bilabial words by the 4th month of ageRefer: OP Ghais Textbook of Pediatrics, 8th edition, pg no. 32 