Oniichan aa aa shita naa
oniichan aa aa shita naa .
o n i i t̠ʃ a n WORD_BOUNDARY aː WORD_BOUNDARY aː WORD_BOUNDARY ʃ i t a WORD_BOUNDARY n aː WORD_BOUNDARY
o n i i c h a n WORD_BOUNDARY a a WORD_BOUNDARY a a WORD_BOUNDARY s h i t a WORD_BOUNDARY n a a WORD_BOUNDARY