un uno un tren
un tren
det:art n
un uno un tren .
u n WORD_BOUNDARY u n o̞ WORD_BOUNDARY u n WORD_BOUNDARY t ɾ e̞ n WORD_BOUNDARY
u n WORD_BOUNDARY u n o WORD_BOUNDARY u n WORD_BOUNDARY t r e n WORD_BOUNDARY . WORD_BOUNDARY