buku ikan ya ambil ya
buku ikan ya ambil ya .
b u k u WORD_BOUNDARY  i k a n WORD_BOUNDARY j a WORD_BOUNDARY  a m b i l WORD_BOUNDARY j a WORD_BOUNDARY
b u k u WORD_BOUNDARY i k a n WORD_BOUNDARY y a WORD_BOUNDARY a m b i l WORD_BOUNDARY y a WORD_BOUNDARY