In these cases, the observed alterations were classified as: tongue interposition (TI) before the utterance of/t/,/d/,/n/, and/l/; frontal lisp (FL), the interposition of the anterior tongue in the utterance of/s/and/z/; sound omissions (SO); articulatory disorders (AD), characterized by exchanging one sound for another, systematically or not; and lateral lisp (LL), the lateral interposition of the tongue, resulting in the distortion of the sounds/ /and//. The existence of several concomitant speech disorders was also verified.