o kamu ke toko buku
o kamu ke toko buku .
o WORD_BOUNDARY k a m u WORD_BOUNDARY k ə WORD_BOUNDARY t o k o WORD_BOUNDARY b u k u WORD_BOUNDARY
o WORD_BOUNDARY k a m u WORD_BOUNDARY k e WORD_BOUNDARY t o k o WORD_BOUNDARY b u k u WORD_BOUNDARY . WORD_BOUNDARY