-itis fili- fills filst fissi fists fitil fitit fitts flist flits if-- ifill ifits ifttt iiiii iitti ilfis iliff ilift illit iltis is-is isfit isili isill isisi isiti isits isitt istlt itfit itisi itsit ittti l-sit li-fi liisi lilis lilli lilts lisis liss- lists litis litsi litti s-iii sifts siili silli sills silts sisil sisis sisli sissi sists sitit sitsi sitti slift sliss slits slsts sssss stfis stiff stift stiif still stils stilt stitt ti-ti tiffs tifts tilfi tilli tills tilsi tilst tilts tisis tiss- tissi titii titil titis titli titti tsili tstlt ttttt