What if, when people use the forum, and there is a 3 letter word that someone may want to search for - like Koi - they type it as 6 letters - like koikoi, iblibl, hdrhdr.  So words like "and", "the", "may", "you", "see" are typed as 3 letters, but subject type words are typed as 6 letters.  I obviously know nothing about computer programming.