pero esos no son perros
pero esos no son perros ?
p e̞ ɾ o̞ WORD_BOUNDARY e̞ s o̞ s WORD_BOUNDARY n o̞ WORD_BOUNDARY s o̞ n WORD_BOUNDARY p e̞ r o̞ s WORD_BOUNDARY
p e r o WORD_BOUNDARY e s o s WORD_BOUNDARY n o WORD_BOUNDARY s o n WORD_BOUNDARY p e r r o s WORD_BOUNDARY ? WORD_BOUNDARY