a-be a-ha aaaa aaab aaac aaae aaah aaap aaba aabb aabc aabh aabp aaca aacb aacc aace aach aacp aaea aaec aaep aaha aapa aapc aaph abaa abab abac abae abap abb- abba abbb abbe abca abcb abcc abch abcp abec abee abha abpa abpc abpp acaa acab acac acae acap acba acca accc acce acch accp ace- acea acec aceh acha ache achh achp acpa acpe aeac aeap aecb ahab ahac ahah ahha apac apah apap apba apca apcb apcc apea apec apeh apep aph- apha aphc appa appc apph baaa baah baba babb babe bac- baca bacc bace bach baha bapa bapc bape bapp bbbb bbch bbeb bcaa bcap bcbc bcbp bcca bccc bcec bche bcpp beah beap beba bebb bebe beca bech beeb beep bhca bhcc bpcp bpea bphc caaa caab caac caah caap caba cabe cac- caca cacc cace cach caec caha cahe capa capb capc cape caph capp cbac cbbc cbca cbcc cbce cbcp cbea cbec cbee cbha cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccp ccee ccha cche cchp ccpa ccpe ccpp ceac ceba cebp cec- ceca cece cecp ceeb ceec cepa cepc cepe ceph cepp chaa chab chac chae chah chap chbp chca chce chch chcp chea cheb chec chee cheh chep chha chpa chpp cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cpha cppa eaba eabh eaca eacc each eaec eapc eapp ebac ebba ebbc ebcc ecaa ecac ecbc ecbe ecca eccb eccc ecce echa eche ecpa ecpp eeca eeea eeee ehaa ehcc ehea eheh epaa epac epcc epch epec epee eph- epha eppa eppc eppp haab haba habe hace haec haha hapa hape happ hcap hcbc hcca hccb hccc hcch hcpc heah heap hebb hebe heca hech heeb heep hehe hepa hepc hepe hepp hhaa hhhh hhpa hhpc hpac hpae hpcc hppe paap paba paca pace pach paea paec paep paha pahp papa papb pape papp pbac pbcc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcha pchp pcpb pcpp peab peac peah peap peba peca pece pech peec peep peha pehe pepa pepe phah phcc phe- phpa ppac ppap ppcc pppa pppp