on es laura el tren
on es laura el tren ?
o n WORD_BOUNDARY ɛ s WORD_BOUNDARY l a w ɾ ɐ WORD_BOUNDARY ə l WORD_BOUNDARY t ɾ ɛ n WORD_BOUNDARY
o n WORD_BOUNDARY e s WORD_BOUNDARY l a u r a WORD_BOUNDARY e l WORD_BOUNDARY t r e n WORD_BOUNDARY