quién te lo ha traído este tren
quién te lo ha traído este tren ?
k j e n WORD_BOUNDARY t e WORD_BOUNDARY l o WORD_BOUNDARY a WORD_BOUNDARY t ɾ a i ð o WORD_BOUNDARY e s t e WORD_BOUNDARY t ɾ e n WORD_BOUNDARY
q u i é n WORD_BOUNDARY t e WORD_BOUNDARY l o WORD_BOUNDARY h a WORD_BOUNDARY t r a í d o WORD_BOUNDARY e s t e WORD_BOUNDARY t r e n WORD_BOUNDARY