a-ak a-ok aaaa aaac aaap aaar aaca aacc aack aaco aacp aacr aaka aaoo aapa aapc aapo aara aarc aaro aarp acaa acac acap acar acca accc acco accp acoa acop acor acpa acpr acr- acra acrc acro acrr akaa akao akap akar akca akka akko akok akpo akr- akra aoca aokp aopo aora apac apak apao apap apar apca apcc apco apcr apo- apoc apoo apop apor appa appc appr apra aprc apro arac arak arap arar arc- arca arco arka arko aroa aroo aror arpa arr- arra arrc arrk arro arrr caaa caac caap cac- caca cacc cack caco cacr caka caor capa capc capo capp cara carc cark caro carp carr ccaa ccac ccap ccar ccca cccc cccp ccoc ccpa ccpp ccpr ccra ccrc ccrp ckac ckck ckco ckoa ckoc ckoo ckor ckpc ckpr ckrc coak coca cock coco cocp cok- coka coko cook coop copa copo copp copr cor- cora corc cork coro corp corr cpaa cpac cpap cpca cppa crac crap crar crca crcc crcr crkc crkp croc crok croo crop cror crpc kaaa kaak kaap kaar kacc kaco kacp kaka kakc kakk kako kaoa kaoc kaok kaor kap- kapa kapc kapo kapp kara kark karo karp karr kcaa kcac kcap kcar kcca kccc kcck kccr kckc kckk kcko kckr kcor kcpa kcpc kcpo kcpr kcrc kcro kcrp kcrr kkaa kkac kkap kkar kkck kkco kkcr kkkk kkoa kkoo kkor kkpc kkpk kkrc kkrk kkro kkrr koac koak koap koar koca kock kocp koka kokc kokk koko kokp kokr kooc kook kooo koop koor kopa kopp kopr kora korc kork koro korr kpac kpak kpao kpar kpcc kpcr kpkk kpkr kpoa kpoc kpok kpoo kpop kppc kppk kppo kppp kppr kprc kprk kpro kprp kprr krac krak krap krar krca krcc krco krka krkc krkk krko krkr kroa kroc krok kroo krop kror krpa krpr krrc krrk krro krrr oara ocac ocak ocap occa occc ocpa ocpp ocra ocro ocrr okak okap okka okko okok okor okpo okra okro ooaa ooak oocr oooo oora opap opar opca opo- opor oppa oppo opra orac orak orao orar orca orco orka orko oro- orok oror orpc orra orro paak paap paar paca pack paco paka pako paoc papa papp papr par- para parc park paro parp parr pcaa pcap pcca pccc pcoa pcpp pcra pcrc poak poar poca pock poco poka poko pook poop poor pop- popa popc popo popp pora porc pork poro porr ppac ppap ppar ppcc ppoa pppa pppo pppp pprc prao prar prca prcc prcp pro- proa proc proo prop raak rac- raca racc rack raco raka rakk raoc raok raop rapa rapc rapp rara rark raro rcac rccc rcpo roak roap roar roca rocc rock roco roka rokk roko rokr rook roop roor ropa ropo rora rorc rork roro rpca rrrr