a-ak aaaa aaac aaap aaca aacc aack aacp aaka aapa aapc acaa acac acap acca accc accp acpa akaa akap akca akka apac apak apap apca apcc appa appc aza- azap azaz azca azza caaa caac caap cac- caca cacc cack caka capa capc capp capz caza ccaa ccac ccap ccca cccc cccp ccpa ccpp ckac ckck ckpc cpaa cpac cpap cpca cppa kaaa kaak kaap kacc kacp kacz kaka kakc kakk kap- kapa kapc kapp kapz kaza kazc kazz kcaa kcac kcap kcca kccc kcck kckc kckk kckz kcpa kcpc kczz kkaa kkac kkap kkck kkkk kkpc kkpk kkpz kkzz kpac kpak kpcc kpkk kppc kppk kppp kpza kpzk kzap kzaz kzkz kzpa kzpk kzza kzzk kzzp kzzz paak paap paaz paca pack paka papa papp paza pcaa pcap pcca pccc pcpp ppac ppap ppcc pppa pppp zaca zack zaka zakk zapp zaza zzzz