oto ga shita yo nanka
oto ga shita yo nanka .
o t o WORD_BOUNDARY g a WORD_BOUNDARY ʃ i t a WORD_BOUNDARY j o WORD_BOUNDARY n a n k a WORD_BOUNDARY
o t o WORD_BOUNDARY g a WORD_BOUNDARY s h i t a WORD_BOUNDARY y o WORD_BOUNDARY n a n k a WORD_BOUNDARY