a-ak a-ok aaaa aaac aaae aaap aaca aacc aace aack aaco aacp aaea aaec aaep aaka aake aaoe aaoo aapa aapc aapo acaa acac acae acap acca accc acce acco accp ace- acea acec acek acke acoa acoe acop acpa acpe aeac aeap aeka akaa akae akao akap akca akee akka akko akok akpo aoca aoce aokp aopo apac apak apao apap apca apcc apco apea apec apep apke apo- apoc apoe apoo apop appa appc caaa caac caap cac- caca cacc cace cack caco caec caka cake capa capc cape capo capp ccaa ccac ccap ccca cccc cccp ccee ccoc ccpa ccpe ccpp ceac cec- ceca cece ceco cecp ceec ceke ceop cepa cepc cepe cepo cepp ckac ckck ckco ckoa ckoc ckoo ckpc coak coca coce cock coco cocp coep cok- coka coke coko cook coop copa cope copo copp cpaa cpac cpap cpca cpce cpea cpep cppa eaca eacc eaec eaop eapc eapp ecaa ecac ecao ecca eccc ecce ecco ecka ecko eco- ecop ecpa ecpp eeca eeea eeee eeka eeke eeoc eka- ekco ekek ekka ekoa ekpe ekpo eoka epaa epac epcc epec epee epoc eppa eppc eppo eppp kaaa kaak kaap kacc kace kaco kacp kaeo kaep kaka kakc kake kakk kako kaoa kaoc kaok kap- kapa kapc kape kapo kapp kcaa kcac kcap kcca kccc kcck kcea kcec kcee kceo kcep kckc kckk kcko kcoe kcpa kcpc kcpo kea- keak keap keca keck keco keek keep keka kekc keke keko keok kep- kepa kepc kepe kkaa kkac kkap kkck kkco kkea kkkk kkoa kkoo kkpc kkpk koac koae koak koap koca kock kocp koea koka kokc koke kokk koko kokp kooc kook kooo koop kopa kope kopp kpac kpae kpak kpao kpcc kpek kpke kpkk kpoa kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp o-eo oake ocac ocak ocap occa occc oce ocee ocke ocpa ocpp oec- oeca oecc oeec oepa okak okap okka okko okok okpe okpo ooaa ooak oooo opap opca opec opep opo- oppa oppo paak paap paca pace pack paco paea paec paep paka pake pako paoc papa pape papp pcaa pcae pcap pcca pccc pcce pcea pcep pcoa pcoe pcpp peac peak peap peca pece peck peco peec peek peep peka peke pekk peko pepa pepe pepo poak poca poce pock poco poea poka poke poko pook poop pop- popa popc pope popo popp ppac ppap ppcc ppoa pppa pppo pppp