a-be aaaa aaab aaac aaae aaaf aaal aaap aaba aabb aabc aabl aabp aabt aaca aacb aacc aace aacf aacl aaco aacp aact aaea aaec aaep aafa aafb aafc aaff aafl aala aalc aale aall aalo aaoe aaoo aapa aapc aapl aapo aapt aata aatc aatf aatt abaa abab abac abae abaf abal abap abat abb- abba abbb abbe abbo abbt abca abcb abcc abcf abcl abcp abct abec abee abel abet abff abla able ablo aboa abob abof abol aboo abot abpa abpc abpp abta ac-t acaa acab acac acae acap acat acba acbl acca accc acce accf acco accp acct ace- acea acec acel acet acfc acfe acfl acft acla aclc acle acoa acoe acol acop acot acpa acpe acpt acta actc acte actf actl acto actt aeac aeaf aeap aecb aecl aect aela aelc aelp aeta aetc aetf aeto aett afaa afao afap afat afca afcb afcc afee afel afet affa affc affo afft afla aflc afle aflp afoa afoe afol afoo afpa afpc afpe afta aftc afte aftp al-p alaa alac alae alal alao alap alat alb- alba albc albe albo alca alcc alce alco alea alec alee alef aleo alep alet alfa alfe all- alla alle alll allo aloa aloc aloe alof alol aloo alop alot alpa alpe alpl alpo alta alte alto aoba aoca aoce aola aole aopo aotc aotf apac apal apao apap apat apba apca apcb apcc apco apea apec apel apep apet apfa apfc apfl apfo apft apl- apla aple aplp apo- apoc apoe apof apoo apop apot appa appc appl appt apta aptc apte aptt at-l at-t ataa atab atac atae atal atap atat atca atcc atcf atcl atco atea atec atee atef atel ateo atep atfb atfc atfe atla atle atlo atob atoc atoe atof atol atop atot atta atte atto attp baaa baaf baal baat baba babb babe babo bac- baca bacc bace baco bact bael bafc baff bafo baft bala balc bale balf ball balo balt baol bapa bapc bape bapp bapt bata batc bate batf bato batt bbbb bbeb bbet bbfc bblb bcaa bcap bcat bcbc bcbp bcca bccc bccl bcec bcet bcfc bcof bcpl bcpp bctc beaf beal beap beat beba bebb bebe bebo beca beeb beef beel beep beet befa befe beff befo beft bela bele bell belo belp belt beo- beof beot bepo beta betc bete beto bett bfca bffl bfpo bfpp bfta bftt blaa blab blac blae blat blbt blea bleb blee bleo blet blfc blob bloc bloo blop blot boab boac boal boat boba bobb bobe bobo boca boce boco boea boec boee boef boel boeo boep boet bofa bofe boff bola bole boll bolo bolt boob booc booe boof bool boop boot bopa bope bopp bota botb bote boto bott bpcp bpea bpel bpfc bpfl bpoe bpot bptf btaa btaf btbp btcc btcl btec btfc btla btlp btob bttb c-bo caaa caab caac caaf caal caap caat caba cabe cabf cabo cac- caca cacc cace caco caec cafa cafb cafc cafe caff cafl cala calc cale calf call calo calp calt caol capa capb capc cape capo capp capt cat- cata catb catc cate catf cato catt cbac cbal cbat cbbc cbca cbcc cbce cbcl cbcp cbct cbea cbec cbee cbef cbet cbfb cbfc cblb cblc cbol cbot cbpc cbpp cbta cbtc cbtf cbtl ccaa ccab ccac ccaf ccap ccat ccba ccbc ccca cccb cccc cccf cccl cccp ccee ccel ccfa ccfc ccff ccfl ccla cclc ccob ccoc ccpa ccpe ccpl ccpp cctb cctc cctl cctt ceac ceal ceat ceba cebp cec- ceca cece ceco cecp cect ceeb ceec ceel cef- cefa cefc cel- cela celc cele celf cell celo celt ceol ceop cepa cepc cepe cepo cepp cept cet- ceta cete ceto cetp cfaa cfab cfac cfae cfao cfbc cfbt cfca cfcb cfcf cfcl cfco cffb cfoa cfpa cfpl cfpo cfta cftc cfte cftl clab claf clap clat clea clec clee clef cleo clep clet clob cloe clof cloo clop clot clpb clpp cltb cltc coal coat coba cobb cobe cobo coca coce coco cocp coct coel coep cofc cofe coff coft col- cola colb cole coll colo colp colt coob coof cool coop coot copa cope copo copp copt cota cotb cotc cote coto cott cpaa cpac cpaf cpap cpbc cpca cpce cpea cpeb cpep cpff cpft cplc cppa cptp ctab ctae ctal ctba ctca ctcf ctcp ctec ctep ctfc ctfo ctle ctol ctot ctpo ctpp ctta e-cl e-la eaaf eaba eaca eacc eaec eafb eala ealc eale eaop eapc eapp eata eate ebac ebal ebba ebbc ebbo ebcc ebel ebfc ebla eboe ebol eboo ebpo ecaa ecac ecal ecao ecat ecbc ecbe ecca eccb eccc ecce eccl ecco ecct ecef ecfa ecfc ecla eclt eco- ecol ecop ecot ecpa ecpp ect- ecta ectc ectf ecto eeca eeea eeee eefa eefe eefl eele eeoc eeta eetc eete efab efca efco efeo efet effa efla efpa eft- efta eftp el-b el-p elab elac elal elat elba elbe elbo elca elcb elce elco elea elec elee elef eleo elet elfa elfc elfe elft ella elle ello elpe elta elte elto eola eole eolo eota eotc eoto epaa epac epcc epec epee epfa epfc eple epll epoc epol epot eppa eppc eppo eppp epta epte etal etap etat etbc etcc etco etec etee etel etfa etfb etfc etfe etla etoe etta ette etto faaa faac faap faba fabe fabo faca facc face facp fact faeb fafa fafc fafe faff fafo fala falc fale fall falo falt fapa fape fapl fapp fata fatc fate fatf fato fatt fbla fble fbop fcab fcal fcap fcat fcba fcca fccf fccp fcot fcpa fcto feaf feal feap feat feba febo fece fect feeb feel feet fefc fefe feff fefo fela fele felf fell felo felt feof fepa fepc feta fete fetp fett ffcc ffee ffff fftf flab flac flae flao flap flat flcl flea flee flet flob floc floe floo flop flot foaf foal foba fobt foca foce foco fofo fola folc fole foll folo