o iya aduh Ibu lupa
o iya aduh ibu lupa .
o WORD_BOUNDARY i j a WORD_BOUNDARY a d u h WORD_BOUNDARY i b u WORD_BOUNDARY l u p a WORD_BOUNDARY
o WORD_BOUNDARY i y a WORD_BOUNDARY a d u h WORD_BOUNDARY i b u WORD_BOUNDARY l u p a WORD_BOUNDARY . WORD_BOUNDARY