u u u u u u
u u u u u u .
ɯ WORD_BOUNDARY ɯ WORD_BOUNDARY ɯ WORD_BOUNDARY ɯ WORD_BOUNDARY ɯ WORD_BOUNDARY ɯ WORD_BOUNDARY
u WORD_BOUNDARY u WORD_BOUNDARY u WORD_BOUNDARY u WORD_BOUNDARY u WORD_BOUNDARY u WORD_BOUNDARY