a kore wa warete iru
a kore wa warete iru .
a WORD_BOUNDARY k o r e WORD_BOUNDARY w a WORD_BOUNDARY w a r e t e WORD_BOUNDARY i r ɯ WORD_BOUNDARY
a WORD_BOUNDARY k o r e WORD_BOUNDARY w a WORD_BOUNDARY w a r e t e WORD_BOUNDARY i r u WORD_BOUNDARY