a-ak a-be a-ha aaaa aaab aaac aaae aaah aaap aaba aabb aabc aabh aabp aaca aacb aacc aace aach aack aacp aaea aaec aaep aaha aahk aaka aake aapa aapc aaph abaa abab abac abae abak 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 acek acha ache achh achp acke acpa acpe aeac aeap aecb aeka ahab ahac ahah ahha akaa akae akah akap akca akee akha akka apac apah apak apap apba apca apcb apcc apea apec apeh apep aph- apha aphc apke appa appc apph baaa baah baak baba babb babe bac- baca bacc bace bach back baek baha bak- baka bake bakh bapa bapc bape bapp bbbb bbch bbeb bcaa bcap bcbc bcbp bcca bccc bcec bche bcpp beah beak beap beba bebb bebe beca bech beck beeb beek beep beka beke bhca bhcc bpcp bpea bphc caaa caab caac caah caap caba cabe cac- caca cacc cace cach cack caec caha cahe caka cake capa capb capc cape caph capp cbac cbbc cbca cbcc cbce cbcp cbea cbec cbee cbha cbka 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 ceke cepa cepc cepe ceph cepp chaa chab chac chae chah chak chap chbp chca chce chch chcp chea cheb chec chee cheh chek chep chha chka chkb chpa chpp ckac ckbc ckbe ckch ckck ckpc 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 ecka ecpa ecpp eeca eeea eeee eeka eeke ehaa ehcc ehea eheh eka- ekab ekch ekeb ekek ekka ekpe epaa epac epcc epch epec epee eph- epha eppa eppc eppp haab haak haba habe hace hack haec haha haka hake hakk hapa hape happ hcap hcbc hcca hccb hccc hcch hcpc heah heap hebb hebe heca hech heck heeb heek heep hehe heka heke hepa hepc hepe hepp hhaa hhhh hhpa hhpc hkcc hpac hpae hpcc hppe kaaa kaab kaak kaap kaba kabb kabc kabe kacb kacc kace kach kacp kaeh kaep kaha kahc kahe kaka kakc kake kakh kakk kap- kapa kapc kape kaph kapp kbaa kbab kbac kbae kbak kbap kbba kbbb kbbc kbbe kbbk kbca kbcb kbce kbch kbck kbeb kbec kbee kbeh kbek kbhb kbhc kbhe kbhh kbhp kbkb kbkk kbpa kbpc kbpe kbpk kcaa kcab kcac kcah kcap kcba kcbc kcbk kcca kccb kccc kcck kcea kceb kcec kcee kcep kcha kche kchh kchk kckc kckk kcpa kcpc kea- keak keap keba kebb kebc kebe keca kech keck keeh keek keep kehk keka kekb kekc keke kep- kepa kepc kepe keph khab khac khak khap khbc khca khcb khcc khch khck kheb khec khep khhk khka khke khkk khpa khpe kkaa kkac kkap kkba kkbb kkbe kkcb kkch kkck kkea kkha kkhb kkhh kkhk kkkk kkpc kkpk kpac kpae kpah kpak kpba kpbb kpbe kpcc kpch kpek kphp kpke kpkk kppc kppk kppp paak paap paba paca pace pach pack paea paec paep paha pahk pahp paka pake papa papb pape papp pbac pbcc pbpa pbpk pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcha pchp pcpb pcpp peab peac peah peak peap peba peca pece pech peck peec peek peep peha pehe peka peke pekk pepa pepe phah phcc phe- phek phkb phpa ppac ppap ppcc pppa pppp