a-ak aaaa aaac aaal aaar aaca aacc aack aacl aacr aaka aala aalc aall aara aarc acaa acac acar acca accc acla aclc aclr acr- acra acrc acrr akaa akal akar akca akka akr- akra alaa alac alak alal alar alca alcc alk- alka all- alla alll allr arac arak aral arar arc- arca arka arla arr- arra arrc arrk arrr caaa caac caal cac- caca cacc cack cacr caka cala calc calk call cara carc cark carl carr ccaa ccac ccar ccca cccc cccl ccla cclc ccra ccrc ccrl ckac ckck ckcl ckrc clar clra crac crar crca crcc crcr crkc crkl kaaa kaak kaal kaar kacc kacl kaka kakc kakk kala kalc kalk kall kara kark karl karr kcaa kcac kcal kcar kcca kccc kcck kccl kccr kckc kckk kckl kckr kcla kclc kclk kcll kclr kcrc kcrr kkaa kkac kkal kkar kkck kkcl kkcr kkkk kklc kkll kkrc kkrk kkrl kkrr klaa klac klak klal klar klca klcc klck klcl klcr klka klkc klkk klkl klkr klla kllc kllk klrc klrk klrr krac krak kral krar krca krcc krcl krka krkc krkk krkr krla krlc krrc krrk krrl krrr laaa laac laak laal laar laca lacc lack lacl laka lala lall lara larc lark larr lcac lcca lccc lcra lcrl lkal llcc lllc llll lrac lral lrrc lrrr raak rac- raca racc rack raka rakk rala rall rara rark rcac rccc rrrr