a-be a-ha aaaa aaab aaac aaae aaah aaap aaba aabb aabc aabh aabp aaca aacb aacc aace aach aaco aacp aaea aaec aaep aaha aaoe aaoo aapa aapc aaph aapo abaa abab abac abae abap abb- abba abbb abbe abbo abca abcb abcc abch abcp abec abee abha abho aboa abob aboh aboo abpa abpc abpp acaa acab acac acae acap acba acca accc acce acch acco accp ace- acea acec aceh acha ache achh acho achp acoa acoe acoh acop acpa acpe aeac aeap aecb ahab ahac ahah ahha ahoa ahoe ahop aoah aoba aoca aoce aopo apac apah apao apap apba apca apcb apcc apco apea apec apeh apep aph- apha aphc apo- apoc apoe apoo apop appa appc apph baaa baah baba babb babe babo bac- baca bacc bace bach baco baha baho baoh bapa bapc bape bapp bbbb bbch bbeb bcaa bcap bcbc bcbp bcca bccc bcec bche bcpp beah beap beba bebb bebe bebo beca bech beeb beep beo- bepo bhao bhca bhcc boab boac boba bobb bobe bobo boca boce boch boco boea boec boee boeo boep boha boho boob booc booe booh boop bopa bope bopp bpcp bpea bphc bpoe c-bo caaa caab caac caah caap caba cabe cabo cac- caca cacc cace cach caco caec caha cahe capa capb capc cape caph capo 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 ccob ccoc ccpa ccpe ccpp ceac ceba cebp cec- ceca cece ceco cecp ceeb ceec ceop cepa cepc cepe ceph cepo cepp chaa chab chac chae chah chao chap chbp chca chce chch chcp chea cheb chec chee cheh chep chha choc choh choo chop chpa chpp coba cobb cobe cobh cobo coca coce coch coco cocp coep coha coho coob cooh coop copa cope coph copo copp cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cpha cppa eaba eabh eaca eacc each eaec eaop eapc eapp ebac ebba ebbc ebbo ebcc eboe eboo ebpo ecaa ecac ecao ecbc ecbe ecca eccb eccc ecce ecco echa eche echo eco- ecop ecpa ecpp eeca eeea eeee eeoc ehaa ehcc ehea eheh epaa epac epcc epch epec epee eph- epha epoc eppa eppc eppo eppp haab haba habe habo hace haco haec haha haho hapa hape happ hboc hcap hcbc hcca hccb hccc hcch hcpc heah heap hebb hebe hebo heca hech heeb heep hehe heho hepa hepc hepe hepp hhaa hhhh hhpa hhpc hoac hoap hoba hobe hobo hoca hoce hoch hoha hohe hoho hooe hoop hopa hope hopo hopp hpac hpae hpao hpcc hppe o-eo oahe oahp oaph obba obbo obea obec oboe ocab ocac ocap ocbc occa occc oce ocee ocha oche ocpa ocpp oec- oeca oecc oeec oepa ohba ohbe ohcc ohee ohho ohob ohoh ooaa ooba oobe ooha ooho oooh oooo opah opap opca opec opep opo- oppa oppo paap paba paca pace pach paco paea paec paep paha paho pahp paoc paoh papa papb pape papp pbac pbcc pboc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcha pchp pcoa pcoe pcpb pcpp peab peac peah peap peba peca pece pech peco peec peep peha pehe peho pepa pepe pepo phah phcc phe- phob phoh phoo phpa poba pobo poca poce poch poco poea poha pooh poop pop- popa popc pope popo popp ppac ppap ppcc ppoa pppa pppo pppp