a-ak aaaa aaac aaae aaap aaar aaca aacc aace aack aacp aacr aaea aaec aaep aaka aake aapa aapc aara aarc aare aarp acaa acac acae acap acar acca accc acce accp ace- acea acec acek acer acke acpa acpe acpr acr- acra acrc acre acrr aeac aeap aeer aeka aer- aera aerc akaa akae akap akar akca akee aker akka akr- akra akre apac apak apap apar apca apcc apcr apea apec apep aper apke appa appc appr apra aprc apre arac arae arak arap arar arc- arca arce area arec aree arek arep arka arke arpa arpe arr- arra arrc arre arrk arrr caaa caac caap cac- caca cacc cace cack cacr caec caer caka cake capa capc cape capp cara carc care cark carp carr ccaa ccac ccap ccar ccca cccc cccp ccee ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ceac cear cec- ceca cece cecp ceec ceke cepa cepc cepe cepp cepr cer- cera cerc cere cerp ckac ckck cker ckpc ckpr ckrc cpaa cpac cpap cpca cpce cpea cpep cper cppa cpre crac crap crar crca crcc crce crcr cre- crea crec cree crep crkc crkp crpc eaca eacc eaec eapc eapp eara eare earp ecaa ecac ecar ecca eccc ecce ecka ecpa ecpp ecra ecrc ecrr eeca eeea eeee eeka eeke eera eerc eka- ekek eker ekka ekpe epaa epac epcc epec epee eper eppa eppc eppp epra eprp erap erca ercc erce ercp erec erer erke erpa erpe erra errc erre kaaa kaak kaap kaar kacc kace kacp kaep kaer kaka kakc kake kakk kap- kapa kapc kape kapp kara kare kark karp karr kcaa kcac kcap kcar kcca kccc kcck kccr kcea kcec kcee kcep kckc kckk kckr kcpa kcpc kcpr kcrc kcrp kcrr kea- keak keap kear keca keck kecr keek keep keer keka kekc keke kep- kepa kepc kepe ker- kera kerc kere kerk kerp kerr kkaa kkac kkap kkar kkck kkcr kkea kkkk kkpc kkpk kkrc kkre kkrk kkrr kpac kpae kpak kpar kpcc kpcr kpek kper kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kprk kprp kprr krac krae krak krap krar krca krcc krce krea krec kree krek krka krkc krke krkk krkr krpa krpr krrc krre krrk krrr paak paap paar paca pace pack paea paec paep paer paka pake papa pape papp papr par- para parc pare park parp parr pcaa pcae pcap pcca pccc pcce pcea pcep pcer pcpp pcra pcrc pcre peac peak peap pear peca pece peck pecr peec peek peep peer peka peke pekk pepa pepe per- pera perc pere perk perp perr ppac ppap ppar ppcc pper pppa pppp pprc prae prar prca prcc prcp pre- prec pree prek prep raak rac- raca racc race rack raec raep raer raka rake rakk rapa rapc rape rapp rara rare rark rcac rccc rcep rea- reac reae reak reap rear reca recc rece reck recp recr reek reep reka reke repe repp repr rera rere rpca rrrr