a-ak aaaa aaaf aaar aafa aaff aaka aara aart aata aatf aatk aatt afaa afak afar afat affa afft afka afkr afr- afra afta akaa akar akka akr- akra araf arak arar arat arax arfa arff arft arka arr- arra arrk arrr arrt arta artr artx at-t at-x ataa atak atar atat atax atka atkt atra atrk atrx atta attr axaf axar axat axfr f--k faaa fafa faff fakt fara fark farr fart fata fatf fatt ffar ffff ffrr fftf frak frat frax frta kaaa kaaf kaak kaar kaat kafa kaff kafr kaka kakk kakt kakx kara karf kark karr kart karx kat- kata katf katk katr katt katx kaxa kfar kfat kfax kffa kfff kffk kffx kfka kfkx kfra kfrr kfrx kfta kftk kftt kftx kfxa kfxf kfxr kfxt kfxx kkaa kkar kkat kkfr kkft kkkk kkrf kkrk kkrr kkrt kkrx kktk kktx kkxa kkxk kkxt kkxx krak krar krat krff krft krfx krka krkk krkr krkx krrf krrk krrr krrt krrx krta krtk krtr krtx krxa krxf krxk krxr krxt krxx ktaa ktak ktar ktat ktkk ktkr ktkt ktkx ktrf ktrk ktrr ktrt ktrx kttf kttk kttr kttt kttx ktxa ktxk ktxr ktxt kxaa kxar kxff kxft kxkk kxkt kxkx kxra kxrk kxrr kxrx kxta kxtf kxtk kxtt kxtx kxxf kxxk kxxr kxxt kxxx raaf raak raat rafa raff raft raka rakk rakt rara rarf rark rata ratf ratk ratt raxa rkkf rrat rrrr taa- taaf taar taat tafa taff taft taka takk takt tara tarf tark tarr tart tata tatr tatt tax- taxa taxf taxt traa traf trak trat trax trfr trra trtr ttfa ttff tttt txaa txtr xaar xara xtar xtra xxxx