Risa sini Risa sini
risa sini risa sini !
r i s a WORD_BOUNDARY s i n i WORD_BOUNDARY r i s a WORD_BOUNDARY s i n i WORD_BOUNDARY
r i s a WORD_BOUNDARY s i n i WORD_BOUNDARY r i s a WORD_BOUNDARY s i n i WORD_BOUNDARY ! WORD_BOUNDARY