-itis ddddd diddl didit didst diffs dilli dills dilts dirfi dirts disir diss- dist- disti distr dittd ditti dliii dlist dlitt driff drift drill driss fili- filid fills filst firit first fissi fists fitil fitit fitri fitts flids flird flirr flirt flist flits friis frill friss frist frits fritt ftrtt iddfs idili idist idlis idril idris if-- ifill ifits ifrit ifttt iiiii iiris iisir iitti ilfis iliff ilift illit iltis irid- irids irill iris- iriss irrit irssi is-is isfit isili isill isisi isiti isits isitt issid istlt itdfs itdid itfit itisi itsit ittti l-sit li-fi lifts liisi lilis lilli lilts liril lisis liss- lists litir litis litsi litti llrrs ltifr rdllr ri-fi riffs rifts rills risti ritts rlrts rsssf s-iii siddi sidis sidri siftr sifts siili siirt silli sills silts siris sirsi sisid sisil sisis sisli sissi sists sitit sitsi sitti slift slirt sliss slits slsts ssdrs sssss stfis stiff stift stiif stiir still stils stilt stirs stirt stitt strid strif stril strit strrs ti-ti tidli tidst tiffs tifts tilfi tilli tills tilsi tilst tilts tiris tirit tirli tirls tirrs tirtl tisis tisri tiss- tissi titii titil titis titli titti tri-d trill tris- triss trist trit- trits tritt tsdsi tsili tstlt ttttt