di mana tupai+tupai itu
di mana tupai tupai itu ?
d i WORD_BOUNDARY m a n a WORD_BOUNDARY t u p ai̯ WORD_BOUNDARY t u p ai̯ WORD_BOUNDARY  i t u WORD_BOUNDARY
d i WORD_BOUNDARY m a n a WORD_BOUNDARY t u p a i WORD_BOUNDARY t u p a i WORD_BOUNDARY i t u WORD_BOUNDARY