a-ak aaaa aaab aaaf aaar aaba aabb aabt aafa aafb aaff aaka aara aart aata aatf aatk aatt abaa abab abaf abak abar abat abb- abba abbb abbr abbt abff abra abta afaa afak afar afat affa afft afka afkr afr- afra afta akaa akar akka akr- akra arab araf arak arar arat arba arfa arfb arff arft arka arr- arra arrk arrr arrt arta artr at-t ataa atab atak atar atat atfb atka atkt atra atrk atta attr baaa baaf baak baar baat baba babb babr baff baft bak- baka bakr bakt bar- bara barb barf bark barr bart bata batf batt bbbb bfta bftt brab braf brak brat brka brkb brrr btaa btaf btrt bttb f--k faaa faba fafa faff fakt fara farb fark farr fart fata fatf fatt fbar ffar ffff ffrr fftf fkab frab frak frat frta kaaa kaab kaaf kaak kaar kaat kaba kabb kabf kabr kafa kaff kafr kaka kakk kakt kara karb karf kark karr kart kat- kata katb katf katk katr katt kbaa kbab kbak kbar kbat kbba kbbb kbbf kbbk kbbr kbbt kbfb kbff kbfk kbfr kbft kbkb kbkf kbkk kbkr kbra kbrb kbrf kbrk kbrt kbta kbtb kbtf kbtk kbtr kbtt kfab kfar kfat kfbk kfbt kffa kffb kfff kffk kfka kfkb kfra kfrr kfta kftk kftt kkaa kkar kkat kkba kkbb kkbr kkbt kkfr kkft kkkk kkrb kkrf kkrk kkrr kkrt kktk krab krak krar krat krba krbb krbk krbr krbt krff krft krka krkk krkr krrb krrf krrk krrr krrt krta krtk krtr ktaa ktak ktar ktat ktba ktbb ktbr ktbt ktfb ktkb ktkk ktkr ktkt ktrb ktrf ktrk ktrr ktrt kttf kttk kttr kttt raab raaf raak raat raba rabb rabk rafa raff raft raka rakk rakt rara rarb rarf rark rata ratf ratk ratt rbaf rbbb rbbr rkkf rrat rrrr rtbf rtfb taa- taaf taar taat taba tabb tafa taff taft taka takk takt tara tarb tarf tark tarr tart tata tatb tatr tatt tbaf tbar tbrb tbta traa trab traf trak trat trfr trra trtr ttab ttbb ttfa ttff tttt