susu eh bukan bukan susu
susu eh bukan bukan susu .
s u s u WORD_BOUNDARY  ɛ h WORD_BOUNDARY b u k a n WORD_BOUNDARY b u k a n WORD_BOUNDARY s u s u WORD_BOUNDARY
s u s u WORD_BOUNDARY e h WORD_BOUNDARY b u k a n WORD_BOUNDARY b u k a n WORD_BOUNDARY s u s u WORD_BOUNDARY