ran ran ra ra ra
ran ran ra ra ra .
ɾ a n WORD_BOUNDARY ɾ a n WORD_BOUNDARY ɾ a WORD_BOUNDARY ɾ a WORD_BOUNDARY ɾ a WORD_BOUNDARY
r a n WORD_BOUNDARY r a n WORD_BOUNDARY r a WORD_BOUNDARY r a WORD_BOUNDARY r a WORD_BOUNDARY . WORD_BOUNDARY