o oo umai umai umai
o oo umai umai umai .
o WORD_BOUNDARY oː WORD_BOUNDARY ɯ m a i WORD_BOUNDARY ɯ m a i WORD_BOUNDARY ɯ m a i WORD_BOUNDARY
o WORD_BOUNDARY o o WORD_BOUNDARY u m a i WORD_BOUNDARY u m a i WORD_BOUNDARY u m a i WORD_BOUNDARY