a qué hora desayunaste en el tren
a qué hora desayunaste en el tren ?
a WORD_BOUNDARY k e WORD_BOUNDARY o ɾ a WORD_BOUNDARY ð e s a ʝ u n a s t e WORD_BOUNDARY e n WORD_BOUNDARY e l WORD_BOUNDARY t ɾ e n WORD_BOUNDARY
a WORD_BOUNDARY q u é WORD_BOUNDARY h o r a WORD_BOUNDARY d e s a y u n a s t e WORD_BOUNDARY e n WORD_BOUNDARY e l WORD_BOUNDARY t r e n WORD_BOUNDARY