a-be a-ha aaaa aaab aaac aaae aaah aaap aaar aaba aabb aabc aabh aabp aaca aacb aacc aace aach aacp aacr aaea aaec aaep aaha aapa aapc aaph aara aarc aare aarp abaa abab abac abae abap abar abb- abba abbb abbe abbr abca abcb abcc abch abcp abcr abec abee aber abha abhr abpa abpc abpp abpr abra abrc acaa acab acac acae acap acar acba acca accc acce acch accp ace- acea acec aceh acer acha ache achh achp achr acpa acpe acpr acr- acra acrc acre acrr aeac aeap aecb aeer aer- aera aerc ahab ahac ahah ahar ahha ahra ahrc ahre ahrr apac apah apap apar apba apbr apca apcb apcc apcr apea apec apeh apep aper aph- apha aphc appa appc apph appr apra aprc apre arab arac arae arah arap arar arba arbe arbh arc- arca arce arch area arec aree areh arep arh- arpa arpe arr- arra arrc arre arrh arrr baaa baah baar baba babb babe babr bac- baca bacc bace bach baer baha bahr bapa bapc bape bapp bar- bara barb barc bare barh barr bbbb bbch bbeb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcec bcer bche bcpp bcra beah beap bear beba bebb bebe beca bech beeb beep beer behr bera berc bere berr bhar bhca bhcc bher bhra bpcp bpea bphc bprc brab brac brae brah brca brcb brce brea breb brec bree brep brer brrr caaa caab caac caah caap caba cabe cac- caca cacc cace cach cacr caec caer caha cahe capa capb capc cape caph capp cara carb carc care carp carr cbac cbar cbbc cbca cbcc cbce cbcp cbcr cbea cbec cbee cber cbha cbpc cbpp cbre cbrh ccaa ccab ccac ccap ccar ccba ccbc ccca cccb cccc cccp ccee ccha cche cchp cchr ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ceac cear ceba cebp cec- ceca cece cecp ceeb ceec cepa cepc cepe ceph cepp cepr cer- cera cerc cere cerp chaa chab chac chae chah chap char chbp chca chce chch chcp chea cheb chec chee cheh chep cher chha chpa chpp chpr chra chrb chrc chrp chrr cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cpha cppa cpre crab crac crap crar crbc crca crcc crce crcr cre- crea creb crec cree creh crep crpc eaba eabh eaca eacc each eaec eapc eapp eara earb eare earh earp ebac ebba ebbc ebbr ebcc eber ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce echa eche ecpa ecpp ecra ecrc ecrr eeca eeea eeee eera eerc ehaa ehcc ehea eheh eher ehre epaa epac epcc epch epec epee eper eph- epha eppa eppc eppp epra eprb eprp erap erba erbb erbe erca ercc erce erch ercp ereb erec erer erhc erpa erpe erra errc erre haab haar haba habe hace haec haha hapa hape happ hara harc hare harh harp harr hbar hcap hcbc hcca hccb hccc hcch hcpc hcrp heah heap hear hebb hebe hebr heca hech heeb heep heer hehe hepa hepc hepe hepp hera herb herc here herp herr hhaa hhhh hhpa hhpc hpac hpae hpcc hppe hrac hrap hree hrpc hrpp hrrc paap paar paba paca pace pach paea paec paep paer paha pahp papa papb pape papp papr par- para parc pare parp parr pbac pbar pbcc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcer pcha pchp pcpb pcpp pcra pcrc pcre peab peac peah peap pear peba peca pece pech pecr peec peep peer peha pehe pehr pepa pepe per- pera perc pere perh perp perr phah phar phcc phe- phpa phrr ppac ppap ppar ppcc pper pppa pppp pprc prae prar prbc prca prcc prcp pre- preb prec pree prep raab raba rabb rabe rac- raca racc race rach raec raep raer raha rahe rahr rapa rapc rape raph rapp rara rarb rare rbbb rbbr rcac rcbc rccb rccc rcep rchb rea- reac reae reap rear reba rebb rebe reca recc rece rech recp recr reeb reep reha rehb rehe repe repp repr rera rere rhae rhap rhce rhcp rhea rheb rhee rpca rrah rrrr