gambatte kaerashite kaerashite
gambatte kaerashite kaerashite !
g a m b a t t e WORD_BOUNDARY k a e r a ʃ i t e WORD_BOUNDARY k a e r a ʃ i t e WORD_BOUNDARY
g a m b a t t e WORD_BOUNDARY k a e r a s h i t e WORD_BOUNDARY k a e r a s h i t e WORD_BOUNDARY