a-be aaaa aaab aaac aaae aaap aaar aaba aabb aabc aabp aabt aaca aacb aacc aace aaco aacp aacr aact aaea aaec aaep aage aaoe aaoo aapa aapc aapo aapt aara aarc aare aaro aarp aart aata aatc aatt abaa abab abac abae abag abap abar abat abb- abba abbb abbe abbo abbr abbt abca abcb abcc abcp abcr abct abec abee aber abet aboa abob aboo abor abot abpa abpc abpp abpr abra abrc abro abta ac-t acaa acab acac acae acag acap acar acat acba acca accc acce acco accp acct ace- acea acec acer acet acga acgr acoa acoe acog acop acor acot acpa acpe acpr acpt acr- acra acrc acre acro acrr acta actc acte actg acto actt aeac aeap aecb aect aeer aega aer- aera aerc aero aeta aetc aeto aetr aett ag-o agac agag agao agap agar agat agba agbo agca agcc agce agco agct agea agee agep ager aget agga agge agob agog agoo agot agra agre agro agrp agta agte agtr aoba aoca aoce aopo aora aorb aort aotc apac apao apap apar apat apba apbg apbr apca apcb apcc apco apcr apea apec apeg apep aper apet apga apo- apoc apoe apoo apop apor apot appa appc appr appt apra aprc apre apro aprt apta aptc apte aptt arab arac arae arag arap arar arat arba arbe arc- arca arce arco arct area arec aree areg areo arep aret arga argb arge argo aroa arob aroe aroo aror arpa arpe arr- arra arrc arre arrg arro arrr arrt arta artc arte arto artr at-t ataa atab atac atae atap atar atat atca atcc atco atcr atea atec atee ateo atep ater atgo atob atoc atoe atop ator atot atpr atra atrc atre atro atrp atta atte atto attp attr baaa baar baat baba babb babe babo babr bac- baca bacc bace baco bact baer baga bage bagg bago bagt bapa bapc bape bapp bapt bar- bara barb barc bare barg baro barr bart bata batc bate bato batt bbbb bbeb bbet bbga bbpr bbrc bbrg bcaa bcap bcar bcat bcbc bcbg bcbp bcca bccc bcec bcer bcet bcor bcpp bcra bctc beag beap bear beat beba bebb bebe bebo beca beeb beeg beep beer beet bega begg bego beo- beor beot bepo bera berc bere berg bero berr bert beta betc bete beto bett bgca boab boac boag boar boat boba bobb bobe bobo boca boce boco boea boec boee boeo boep boer boet boga boge bogg bogo bogt boob booc booe boog boop boor boot bopa bope bopp bor- bora bore borg boro borr bort bota botb bote boto bott bpcp bpea bpoe bpot bprc brab brac brae brag brao brat brca brcb brce brea breb brec bree breg breo brep brer bret broa brob broc broe brog broo bror brot brrr brtc btaa btbp btcc btec btob btor btrc btrt bttb c-bo caaa caab caac caap caat caba cabe cabg cabo cac- caca cacc cace caco cacr caec caer caga cage cagg cago cagr caor capa capb capc cape capo capp capt cara carb carc care caro carp carr cart cat- cata catb catc cate cato catt cbac cbar cbat cbbc cbca cbcc cbce cbcp cbcr cbct cbea cbec cbee cber cbet cbga cbgb cbot cbpc cbpp cbre cbrt cbta cbtc ccaa ccab ccac ccag ccap ccar ccat ccba ccbc ccca cccb cccc cccp ccee ccga ccgc ccgt ccob ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrg ccrp ccrt cctb cctc cctt ceac cear ceat ceba cebp cec- ceca cece ceco cecp cect ceeb ceec cege cego ceop ceor cepa cepc cepe cepo cepp cepr cept cer- cera cerc cere cero cerp cert cet- ceta cete ceto cetp cgac cgap cgcc cgcg cger cgro cgtp coag coat coba cobb cobe cobo coca coce coco cocp coct coep cogo coob coop coot copa cope copg copo copp copr copt cor- cora corb corc core corg coro corp corr cort cota cotb cotc cote coto cott cpaa cpac cpag cpap cpbc cpca cpce cpea cpeb cpep cper cpga cpgb cppa cpre cprt cptp cptr crab crac crag crap crar crat crbc crca crcc crce crcr cre- crea creb crec cree creg creo crep cret crob croc croe croo crop cror crot crpc crrt crtc crtp ctab ctae ctag ctba ctca ctcp ctec ctep ctge ctor ctot ctpo ctpp ctrc ctrp ctta eaba eaca eacc eaec eaga eage eaop eapc eapp eara earb eare earo earp eart eata eate 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 eco- ecog ecop ecot ecpa ecpg ecpp ecra ecrc ecrr ect- ecta ectc ecto eeca eeea eeee eega eeoc eera eerc eerg eero eeta eetc eete egaa egae egao egar egat egba egbe egcc egcg egcr egea egec egee eger eggb egge eggo eggp ego- egor egot egpa egpb egpe egpo egra egre egta egte eora eore eota eotc eoto epaa epac epcc epec epee eper epoc epor epot eppa eppc eppo eppp epra eprb epro eprp epta epte erap erat erba erbb erbe erca ercc erce ercp ereb erec erer eret erg- erga ergg ergo erob eroc eroe eroo erpa erpe erra errc erre erro erta etag etap etat etbc etbr etcc etco etec etee eter etoe etra etre etro etta ette etto gaap gaar gaba gabb gabe gabo gabp gabr gabt gace gaea gaec gaer gaga gage gagg gago gapa gape gapp gapt gara garb gare garg garo garp garr gart gata gatc gate gato gatr gatt gbag gbap gbbo gc-c gcaa gcap gcat gcbc gccc gcet gcoa gcpc gcrg gctc geab gear geat geba gebe geca gece geep geer geet gege gegg gego geo- geog gepa gepe gera gerb gere gero gert geta getb gete getg geto gett ggbt gggg ggpo goar goat goba gobe gobo goca goce gocr goer goga gogo goog goop goor goot gopc gope gopo gora gorb gore gorg goro