a-ak aaaa aaac aaap aaar aaca aacc aack aacp aacr aaka aapa aapc aara aarc aarp acaa acac acap acar acca accc accp acpa acpr acr- acra acrc acrr akaa akap akar akca akka akr- akra apac apak apap apar apca apcc apcr appa appc appr apra aprc arac arak arap arar arc- arca arka arpa arr- arra arrc arrk arrr caaa caac caap cac- caca cacc cack cacr caka capa capc capp cara carc cark carp carr ccaa ccac ccap ccar ccca cccc cccp ccpa ccpp ccpr ccra ccrc ccrp ckac ckck ckpc ckpr ckrc cpaa cpac cpap cpca cppa crac crap crar crca crcc crcr crkc crkp crpc kaaa kaak kaap kaar kacc kacp kaka kakc kakk kap- kapa kapc kapp kara kark karp karr kcaa kcac kcap kcar kcca kccc kcck kccr kckc kckk kckr kcpa kcpc kcpr kcrc kcrp kcrr kkaa kkac kkap kkar kkck kkcr kkkk kkpc kkpk kkrc kkrk kkrr kpac kpak kpar kpcc kpcr kpkk kpkr kppc kppk kppp kppr kprc kprk kprp kprr krac krak krap krar krca krcc krka krkc krkk krkr krpa krpr krrc krrk krrr paak paap paar paca pack paka papa papp papr par- para parc park parp parr pcaa pcap pcca pccc pcpp pcra pcrc ppac ppap ppar ppcc pppa pppp pprc prar prca prcc prcp raak rac- raca racc rack raka rakk rapa rapc rapp rara rark rcac rccc rpca rrrr