quatro heu quatro
quatro heu quatro
L2 co L2
quatro heu quatro .
k a t ʁ o WORD_BOUNDARY  ø WORD_BOUNDARY k a t ʁ o WORD_BOUNDARY
q u a t r o WORD_BOUNDARY h e u WORD_BOUNDARY q u a t r o WORD_BOUNDARY . WORD_BOUNDARY