ya yok sini sini sini
ya yok sini sini sini !
j a WORD_BOUNDARY j o k WORD_BOUNDARY s i n i WORD_BOUNDARY s i n i WORD_BOUNDARY s i n i WORD_BOUNDARY
y a WORD_BOUNDARY y o k WORD_BOUNDARY s i n i WORD_BOUNDARY s i n i WORD_BOUNDARY s i n i WORD_BOUNDARY ! WORD_BOUNDARY