oto ga kikoeru wa ne
oto ga kikoeru wa ne .
o t o WORD_BOUNDARY g a WORD_BOUNDARY k i k o e r ɯ WORD_BOUNDARY w a WORD_BOUNDARY n e WORD_BOUNDARY
o t o WORD_BOUNDARY g a WORD_BOUNDARY k i k o e r u WORD_BOUNDARY w a WORD_BOUNDARY n e WORD_BOUNDARY