a kore kowareteru yan
a kore kowareteru yan .
a WORD_BOUNDARY k o r e WORD_BOUNDARY k o w a r e t e r ɯ WORD_BOUNDARY j a n WORD_BOUNDARY
a WORD_BOUNDARY k o r e WORD_BOUNDARY k o w a r e t e r u WORD_BOUNDARY y a n WORD_BOUNDARY