a Susan y a Anita
a susan y a anita .
a WORD_BOUNDARY s u s a n WORD_BOUNDARY i WORD_BOUNDARY a WORD_BOUNDARY a n i t a WORD_BOUNDARY
a WORD_BOUNDARY s u s a n WORD_BOUNDARY y WORD_BOUNDARY a WORD_BOUNDARY a n i t a WORD_BOUNDARY . WORD_BOUNDARY