tu perro sube a la silla
tu perro sube a la silla ?
t u WORD_BOUNDARY p e r o WORD_BOUNDARY s u β e WORD_BOUNDARY a WORD_BOUNDARY l a WORD_BOUNDARY s i ʎ a WORD_BOUNDARY
t u WORD_BOUNDARY p e r r o WORD_BOUNDARY s u b e WORD_BOUNDARY a WORD_BOUNDARY l a WORD_BOUNDARY s i l l a WORD_BOUNDARY