a-be a-ha aaaa aaab aaac aaae aaah aaap aaar aaba aabb aabc aabh aabp aabt aaca aacb aacc aace aach aaco aacp aacr aact aaea aaec aaep aaha aaoe aaoo aapa aapc aaph aapo aapt aara aarc aare aaro aarp aart aata aatc aatt abaa abab abac abae abap abar abat abb- abba abbb abbe abbo abbr abbt abca abcb abcc abch abcp abcr abct abec abee aber abet abha abho abhr aboa abob aboh aboo abor abot abpa abpc abpp abpr abra abrc abro abta ac-t acaa acab acac acae acap acar acat acba acca accc acce acch acco accp acct ace- acea acec aceh acer acet acha ache achh acho achp achr acht acoa acoe acoh acop acor acot acpa acpe acpr acpt acr- acra acrc acre acro acrr acta actc acte acth acto actt aeac aeap aecb aect aeer aer- aera aerc aero aeta aetc aeto aetr aett ahab ahac ahah ahar ahat ahet ahha ahoa ahoe ahop ahor ahot ahra ahrc ahre ahrr ahta ahte ahto aoah aoba aoca aoce aopo aora aorb aort aotc apac apah apao apap apar apat apba apbr apca apcb apcc apco apcr apea apec apeh apep aper apet aph- apha aphc apo- apoc apoe apoo apop apor apot appa appc apph appr appt apra aprc apre apro aprt apta aptc apte aptt arab arac arae arah arap arar arat arba arbe arbh arc- arca arce arch arco arct area arec aree areh areo arep aret arh- aroa arob aroe aroo aror arpa arpe arr- arra arrc arre arrh arro arrr arrt arta artc arte arth arto artr at-t ataa atab atac atae atap atar atat atca atcc atch atco atcr atea atec atee ateo atep ater atha athe atho atob atoc atoe atop ator atot atpr atra atrc atre atro atrp atta atte atto attp attr baaa baah baar baat baba babb babe babo babr bac- baca bacc bace bach baco bact baer baha baho bahr baht baoh bapa bapc bape bapp bapt bar- bara barb barc bare barh baro barr bart bata batc bate bath bato batt bbbb bbch bbeb bbet bbpr bbrc bcaa bcap bcar bcat bcbc bcbp bcca bccc bcec bcer bcet bche bcor bcpp bcra bctc beah beap bear beat beba bebb bebe bebo beca bech beeb beep beer beet behr beo- beor beot bepo bera berc bere bero berr bert beta betc bete beth beto bett bhao bhar bhat bhca bhcc bher bhet bhor bhot bhra bhrt boab boac boar boat boba bobb bobe bobo boca boce boch boco boea boec boee boeo boep boer boet boha boho bohr boht boob booc booe booh boop boor boot bopa bope bopp bor- bora bore borh boro borr bort bota botb bote both boto bott bpcp bpea bphc bpoe bpot bprc brab brac brae brah brao brat brca brcb brce brea breb brec bree breo brep brer bret broa brob broc broe broh broo bror brot brrr brtc btaa btbp btcc btec btob btor btrc btrt bttb c-bo caaa caab caac caah caap caat caba cabe cabo cac- caca cacc cace cach caco cacr caec caer caha cahe caht caor capa capb capc cape caph capo capp capt cara carb carc care caro carp carr cart cat- cata catb catc cate cath cato catt cbac cbar cbat cbbc cbca cbcc cbce cbcp cbcr cbct cbea cbec cbee cber cbet cbha cbot cbpc cbpp cbre cbrh cbrt cbta cbtc ccaa ccab ccac ccap ccar ccat ccba ccbc ccca cccb cccc cccp ccee ccha cche cchp cchr ccob ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ccrt cctb cctc cctt ceac cear ceat ceba cebp cec- ceca cece ceco cecp cect ceeb ceec ceop ceor cepa cepc cepe ceph cepo cepp cepr cept cer- cera cerc cere cero cerp cert cet- ceta cete ceto cetp chaa chab chac chae chah chao chap char chat chbp chca chce chch chcp chea cheb chec chee cheh chep cher chet chha choc choh choo chop chor chpa chpp chpr chra chrb chrc chro chrp chrr chrt chto chtr chtt coat coba cobb cobe cobh cobo coca coce coch coco cocp coct coep coha coho coob cooh coop coot copa cope coph copo copp copr copt cor- cora corb corc core coro corp corr cort cota cotb cotc cote coth coto cott cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cpha cppa cpre cprt cptp cptr crab crac crap crar crat crbc crca crcc crce crcr cre- crea creb crec cree creh creo crep cret crob croc croe croh croo crop cror crot crpc crrt crtc crtp ctab ctae ctba ctca ctcp ctec ctep ctor ctot ctpo ctpp ctrc ctrp ctta eaba eabh eaca eacc each eaec eaop eapc eapp eara earb eare earh earo earp eart eata eate eath ebac ebba ebbc ebbo ebbr ebcc eber eboe eboo ebor ebpo ebro ecaa ecac ecao ecar ecat ecbc ecbe ecca eccb eccc ecce ecco ecct echa eche echo echt eco- ecop ecot ecpa ecpp ecra ecrc ecrr ect- ecta ectc ecth ecto eeca eeea eeee eeoc eera eerc eero eeta eetc eete eeth ehaa ehcc ehea eheh eher ehpt ehre ehte eora eore eota eotc eoto epaa epac epcc epch epec epee eper eph- epha epoc epor epot eppa eppc eppo eppp epra eprb epro eprp epta epte erap erat erba erbb erbe erca ercc erce erch ercp ereb erec erer eret erhc erob eroc eroe eroo erpa erpe erra errc erre erro erta erth etah etap etat etbc etbr etcc etch etco etec etee eter eth- etha ethe etho etoe etoh etra etre etro etta ette etto haab haar haat haba habe habo habt hace haco haec haet haha haho haht haor hapa hape happ hara harc hare harh haro harp harr hart hata hatb hate hath hato hatt hbar hboc hcap hcat hcbc hcca hccb hccc hcch hcpc hcrp heah heap hear heat hebb hebe hebo hebr heca hech hect heeb heep heer heet hehe heho heor hepa