aaaa aaac aaae aaap aaca aacc aace aacp aaea aaec aaep aage aapa aapc acaa acac acae acag acap acca accc acce accp ace- acea acec acga acpa acpe aeac aeap aega agac agag agap agca agcc agce agea agee agep agga agge apac apap apca apcc apea apec apeg apep apga appa appc caaa caac caap cac- caca cacc cace caec caga cage cagg capa capc cape capp ccaa ccac ccag ccap ccca cccc cccp ccee ccga ccgc ccpa ccpe ccpp ceac cec- ceca cece cecp ceec cege cepa cepc cepe cepp cgac cgap cgcc cgcg cpaa cpac cpag cpap cpca cpce cpea cpep cpga cppa eaca eacc eaec eaga eage eapc eapp ecaa ecac ecca eccc ecce ecpa ecpg ecpp eeca eeea eeee eega egaa egae egcc egcg egea egec egee egge eggp egpa egpe epaa epac epcc epec epee eppa eppc eppp gaap gace gaea gaec gaga gage gagg gapa gape gapp gc-c gcaa gcap gccc gcpc geca gece geep gege gegg gepa gepe gggg gpaa gpac gpca gpgp paag paap paca pace paea paec paep paga page papa pape papg papp pcaa pcae pcap pcca pccc pcce pcea pcep pcgg pcpp peac peag peap peca pece peec peep pega pegg pepa pepe pgaa pgcc pgce ppac ppap ppcc ppga pppa pppp