run run run run run run
run run run run run run .
ɾ u n WORD_BOUNDARY ɾ u n WORD_BOUNDARY ɾ u n WORD_BOUNDARY ɾ u n WORD_BOUNDARY ɾ u n WORD_BOUNDARY ɾ u n WORD_BOUNDARY
r u n WORD_BOUNDARY r u n WORD_BOUNDARY r u n WORD_BOUNDARY r u n WORD_BOUNDARY r u n WORD_BOUNDARY r u n WORD_BOUNDARY . WORD_BOUNDARY