bon te dareka ga naa
bon te dareka ga naa .
b o n WORD_BOUNDARY t e WORD_BOUNDARY d a r e k a WORD_BOUNDARY g a WORD_BOUNDARY n aː WORD_BOUNDARY
b o n WORD_BOUNDARY t e WORD_BOUNDARY d a r e k a WORD_BOUNDARY g a WORD_BOUNDARY n a a WORD_BOUNDARY