anduvieron en tren
anda en tren
v prep n
anduvieron en tren .
a n d u β j e̞ ɾ o̞ n WORD_BOUNDARY e̞ n WORD_BOUNDARY t ɾ e̞ n WORD_BOUNDARY
a n d u v i e r o n WORD_BOUNDARY e n WORD_BOUNDARY t r e n WORD_BOUNDARY . WORD_BOUNDARY