-vac a-be aaaa aaab aaac aaae aaal aaav aaba aabb aabc aabl aabt aaca aacb aacc aace aacl aaco aact aacv aaea aaec aaev aala aalc aale aall aalo aaoe aaoo aata aatc aatt aava abaa abab abac abae abal abat abb- abba abbb abbe abbo abbt abca abcb abcc abcl abct abec abee abel abet abla able ablo ablv aboa abob abol aboo abot abov abta abva ac-t acaa acab acac acae acat acba acbl acca accc acce acco acct ace- acea acec acel acet acev acla aclc acle acoa acoe acol acot acta actc acte actl acto actt actv acvv aeac aecb aecl aect aela aelc aeta aetc aeto aett aeva alaa alac alae alal alao alat alb- alba albc albe albo alca alcc alce alco alea alec alee aleo alet alev all- alla alle alll allo aloa aloc aloe alol aloo alot alov alta alte alto alva alvo aoba aoca aoce aola aole aotc at-l at-t ataa atab atac atae atal atat atca atcc atcl atco atea atec atee atel ateo atla atle atlo atob atoc atoe atol atot atta atte atto avab aval avao avat avcc avce avco avea avec avel aveo avlb avot avva avvo baaa baal baat baba babb babe babo bac- baca bacc bace baco bact bael bala balc bale ball balo balt baol bata batc bate bato batt bava bave bbbb bbeb bbet bblb bcaa bcat bcbc bcca bccc bccl bcec bcet bctc bcvo beal beat beav beba bebb bebe bebo beca beeb beel beet bela bele bell belo belt beo- beot beta betc bete beto bett betv bevo blaa blab blac blae blat blbt blea bleb blee bleo blet blob bloc bloo blot blvt boab boac boal boat boba bobb bobe bobo boca boce boco boea boec boee boel boeo boet bola bole boll bolo bolt boob booc booe bool boot bota botb bote boto bott bova bove bovo btaa btcc btcl btec btla btob bttb c-bo caaa caab caac caal caat caba cabe cabo cac- caca cacc cace caco caec cala calc cale call calo calt caol cat- cata catb catc cate cato catt catv cava cave cavo cbac cbal cbat cbbc cbca cbcc cbce cbcl cbct cbea cbec cbee cbet cblb cblc cbol cbot cbta cbtc cbtl cbtv cbva cbvb cbve ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl cccv ccee ccel ccla cclc cclv ccob ccoc cctb cctc cctl cctt cctv ccvo ceac ceal ceat ceba cec- ceca cece ceco cect ceeb ceec ceel cel- cela celc cele cell celo celt ceol cet- ceta cete ceto cetv ceva cevo clab clat clav clea clec clee cleo clet clob cloe cloo clot cltb cltc cltv coal coat coba cobb cobe cobo coca coce coco coct coel col- cola colb cole coll colo colt coob cool coot cota cotb cotc cote coto cott cova cove covo ctab ctae ctal ctba ctca ctec ctle ctol ctot ctta ctvo ctvt cvac cvca cvcc cvet cvte e-cl e-la eaba eaca eacc eaec eala ealc eale eata eate eave ebac ebal ebba ebbc ebbo ebcc ebel ebla eboe ebol eboo ecaa ecac ecal ecao ecat ecbc ecbe ecca eccb eccc ecce eccl ecco ecct ecla eclt eco- ecol ecot ect- ecta ectc ecto ectv eeca eeea eeee eele eelv eeoc eeta eetc eete eeva el-b elab elac elal elat elba elbe elbo elca elcb elce elco elea elec elee eleo elet elev ella elle ello elta elte elto elva elve elvo eola eole eolo eota eotc eoto etal etat etbc etcc etco etec etee etel etla etoe etta ette etto etvo evac evae eval evat evea evel evet evla evoe evol evoo laaa laac laal laat laba labe labo laca lacc lace lacl laco lact lael laet lala lale lall lalo lata latc late lato latt latv lava lavc lave lavo lbcc lcac lcat lcbc lcca lccc lcce lctl lcto leaa leal leao leat leba lebo leca lece leco lect leea leel leet lela lele lell lelo leoc leov leta lete leto lett lev- leva levc leve levo llao llat llcc llet lllc llll lloa lloc lloo lo-v loac loat lob- loba lobb lobe lobo loca locc loce loco loeb lola lole loll lolo loob looc looe lool loot lota lote lotl loto lott lotv love lovo ltac ltae ltbl ltcc ltee lttc lttv lvcc lvea lvov o-eo oall oate obal obba obbo obea obec obel obet obla oble oboe obol obot ocab ocac ocal ocat ocbc occa occc occt oce ocee ocet oclc oct- octa octe octo oec- oeca oecc oeec oela oele oeta olac olat olav olba olbo olca olcc ole- olea oleo olet olev olla olle ollo olot olov olta ooaa ooba oobe oola oolo oooo ootb otac otcl otea otee oto- otoe otoo otov otta otte otto oval ovee ovet ovo- ovol ovoo ovot taa- taal taat taba tabb tabc tabe tabl tabo taca tacc tace tacl taco tact tacv taec tael tala talc tale tall talo taoa tata tatb tate tato tatt tatv tava tave tavo tbca tbcb tbcc tbce tbta tcca tccc tcov tctc teac teal teat teba tebo teca tecl teco tect teec teel teet teev tel- tela telc tele tell telo telt teta tete teto tett teva tevl tlac tlco toab toal toat toba tobe tobo tobt toca toce toco toea toee toet tol- tola tole toll tolo tolt tooa tool toot tota totc tote toto tott tova tove tovo ttab ttbb tteo ttoe tttt tvac tvel tvtv vaal vaat vaca vace vaco vala vale vall valo valt vata vate vato vatt vava vbcc vcal vcat veal veat veba vecc veel veet vel- vela vele vell velo velt veol veta vete veto veve vevo vlab vlat vlba vlcc vloc vlvt voat voca voce voel voet vola volc vole voll volo volt vooc vool voot vota vote voto vtac vtec vtol vtvl vvob vvvv