koko ni nokkereba noru yo
koko ni nokkereba noru yo .
k o k o WORD_BOUNDARY n i WORD_BOUNDARY n o k k e r e b a WORD_BOUNDARY n o r ɯ WORD_BOUNDARY j o WORD_BOUNDARY
k o k o WORD_BOUNDARY n i WORD_BOUNDARY n o k k e r e b a WORD_BOUNDARY n o r u WORD_BOUNDARY y o WORD_BOUNDARY