a-be a-ha aaaa aaab aaac aaae aaah aaap aaar aaba aabb aabc aabh aabp aaca aacb aacc aace aach aaco aacp aacr aaea aaec aaep aaha aaoe aaoo aapa aapc aaph aapo aara aarc aare aaro aarp abaa abab abac abae abap abar abb- abba abbb abbe abbo abbr abca abcb abcc abch abcp abcr abec abee aber abha abho abhr aboa abob aboh aboo abor abpa abpc abpp abpr abra abrc abro acaa acab acac acae acap acar acba acca accc acce acch acco accp ace- acea acec aceh acer acha ache achh acho achp achr acoa acoe acoh acop acor acpa acpe acpr acr- acra acrc acre acro acrr aeac aeap aecb aeer aer- aera aerc aero ahab ahac ahah ahar ahha ahoa ahoe ahop ahor ahra ahrc ahre ahrr aoah aoba aoca aoce aopo aora aorb apac apah apao apap apar apba apbr apca apcb apcc apco apcr apea apec apeh apep aper aph- apha aphc apo- apoc apoe apoo apop apor appa appc apph appr apra aprc apre apro arab arac arae arah arap arar arba arbe arbh arc- arca arce arch arco area arec aree areh areo arep arh- aroa arob aroe aroo aror arpa arpe arr- arra arrc arre arrh arro arrr baaa baah baar baba babb babe babo babr bac- baca bacc bace bach baco baer baha baho bahr baoh bapa bapc bape bapp bar- bara barb barc bare barh baro barr bbbb bbch bbeb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcec bcer bche bcor bcpp bcra beah beap bear beba bebb bebe bebo beca bech beeb beep beer behr beo- beor bepo bera berc bere bero berr bhao bhar bhca bhcc bher bhor bhra boab boac boar boba bobb bobe bobo boca boce boch boco boea boec boee boeo boep boer boha boho bohr boob booc booe booh boop boor bopa bope bopp bor- bora bore borh boro borr bpcp bpea bphc bpoe bprc brab brac brae brah brao brca brcb brce brea breb brec bree breo brep brer broa brob broc broe broh broo bror brrr c-bo caaa caab caac caah caap caba cabe cabo cac- caca cacc cace cach caco cacr caec caer caha cahe caor capa capb capc cape caph capo capp cara carb carc care caro 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 ccob ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ceac cear ceba cebp cec- ceca cece ceco cecp ceeb ceec ceop ceor cepa cepc cepe ceph cepo cepp cepr cer- cera cerc cere cero cerp chaa chab chac chae chah chao chap char chbp chca chce chch chcp chea cheb chec chee cheh chep cher chha choc choh choo chop chor chpa chpp chpr chra chrb chrc chro chrp chrr coba cobb cobe cobh cobo coca coce coch coco cocp coep coha coho coob cooh coop copa cope coph copo copp copr cor- cora corb corc core coro corp corr 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 creo crep crob croc croe croh croo crop cror crpc eaba eabh eaca eacc each eaec eaop eapc eapp eara earb eare earh earo earp ebac ebba ebbc ebbo ebbr ebcc eber eboe eboo ebor ebpo ebro ecaa ecac ecao ecar ecbc ecbe ecca eccb eccc ecce ecco echa eche echo eco- ecop ecpa ecpp ecra ecrc ecrr eeca eeea eeee eeoc eera eerc eero ehaa ehcc ehea eheh eher ehre eora eore epaa epac epcc epch epec epee eper eph- epha epoc epor eppa eppc eppo eppp epra eprb epro eprp erap erba erbb erbe erca ercc erce erch ercp ereb erec erer erhc erob eroc eroe eroo erpa erpe erra errc erre erro haab haar haba habe habo hace haco haec haha haho haor hapa hape happ hara harc hare harh haro harp harr hbar hboc hcap hcbc hcca hccb hccc hcch hcpc hcrp heah heap hear hebb hebe hebo hebr heca hech heeb heep heer hehe heho heor hepa hepc hepe hepp hera herb herc here hero herp herr hhaa hhhh hhpa hhpc hoac hoap hoar hoba hobe hobo hoca hoce hoch hocr hoer hoha hohe hoho hooe hoop hoor hopa hope hopo hopp hora horc hore horo horr hpac hpae hpao hpcc hppe hrac hrap hree hrob hrpc hrpp hrrc o-eo oaer oahe oahp oaph oara oare obba obbo obea obec ober oboe obor obra obre obrh obro ocab ocac ocap ocbc occa occc oce ocee ocha oche ocpa ocpp ocra ocre ocro ocrr oec- oeca oecc oeec oepa oera oere ohba ohbe ohcc ohee oher ohho ohob ohoh ohra ohre ooaa ooba oobe oocr ooer ooha ooho oooh oooo oora oore opah opap opar opca opec opep oper opo- opor oppa oppo opra orab orac orae orah orao orar orba orbb orbe orbo orca orce orch orco ore- orea oreb orec oreh oreo orer orhe oro- oroe oror orpc orpe orph orra orro paap paar paba paca pace pach paco paea paec paep paer paha paho pahp paoc paoh papa papb pape papp papr par- para parc pare paro parp parr pbac pbar pbcc pboc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcer pcha pchp pcoa pcoe pcpb pcpp pcra pcrc pcre peab peac peah peap pear peba peca pece pech peco pecr peec peep peer peha pehe peho pehr peor pepa pepe pepo per- pera perc pere perh pero perp perr phah phar phcc phe- phob phoh phoo phpa phrr poar poba pobo poca poce poch poco poea poer poha pooh poop poor pop- popa popc pope popo popp pora porb porc pore poro porr ppac ppap ppar ppcc pper ppoa pppa pppo pppp pprc prae prao prar prbc prca prcc prcp pre- preb prec