mira el perro detrás
mira el perro detrás .
m i ɾ a WORD_BOUNDARY e̞ l WORD_BOUNDARY p e̞ r o̞ WORD_BOUNDARY d e̞ t ɾ a s WORD_BOUNDARY
m i r a WORD_BOUNDARY e l WORD_BOUNDARY p e r r o WORD_BOUNDARY d e t r á s WORD_BOUNDARY . WORD_BOUNDARY