-vac a-ak a-be aaaa aaab aaac aaae aaal aaav aaba aabb aabc aabl aabt aaca aacb aacc aace aack aacl aact aacv aaea aaec aaev aaka aake aala aalc aale aall aata aatc aatk aatt aava abaa abab abac abae abak abal abat abb- abba abbb abbe abbt abca abcb abcc abcl abct abec abee abel abet abla able ablv abta abva ac-t acaa acab acac acae acat acba acbl acca accc acce acct ace- acea acec acek acel acet acev acke acla aclc acle acta actc acte actl actt actv acvv aeac aecb aecl aect aeka aela aelc aeta aetc aett aeva akaa akae akal akca akee akel akka akle akte aktv alaa alac alae alak alal alat alb- alba albc albe alca alcc alce alea alec alee alek alet alev alk- alka alkb alke all- alla alle alll alta alte alva at-l at-t ataa atab atac atae atak atal atat atca atcc atck atcl atea atec atee atel atka atkt atkv atla atle atta atte avab aval avat avcc avce avea avec avel avkt avlb avva baaa baak baal baat baba babb babe bac- baca bacc bace back bact baek bael bak- baka bake bakl bakt bala balc bale balk ball balt bata batc bate batt bava bave bbbb bbeb bbet bblb bcaa bcat bcbc bcca bccc bccl bcec bcet bctc beak beal beat beav beba bebb bebe beca beck beeb beek beel beet beka beke bela bele belk bell belt beta betc bete bett betv blaa blab blac blae blak blat blbt blea bleb blee blek blet blkb blvt btaa btcc btcl btec btek btla bttb caaa caab caac caal caat caba cabe cac- caca cacc cace cack caec caka cake cala calc cale calk call calt cat- cata catb catc cate catt catv cava cave cbac cbal cbat cbbc cbca cbcc cbce cbcl cbct cbea cbec cbee cbet cbka cbkl cblb cblc cbta cbtc cbtl cbtv cbva cbvb cbve ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl cccv ccee ccel ccla cclc cclv cctb cctc cctl cctt cctv ceac ceal ceat ceba cec- ceca cece cect ceeb ceec ceel ceke cel- cela celc cele cell celt cet- ceta cete cetv ceva ckac ckat ckbc ckbe ckck ckcl ckcv cktb ckvl clab clat clav clea clec clee clek clet cltb cltc cltv ctab ctae ctal ctba ctca ctec ctle ctta ctvt cvac cvca cvcc cvet cvte e-cl e-la eaba eaca eacc eaec eala ealc eale eata eate eave ebac ebal ebba ebbc ebcc ebel ebla ecaa ecac ecal ecat ecbc ecbe ecca eccb eccc ecce eccl ecct ecka ecla eclt ect- ecta ectc ectv eeca eeea eeee eeka eeke eele eelv eeta eetc eete eeva eka- ekab ekeb ekek eket ekka ekta el-b elab elac elal elat elba elbe elca elcb elce elea elec elee elek elet elev elka elke ella elle elta elte elva elve etak etal etat etbc etcc etec etee etel etka etla etta ette evac evae eval evat evea evel evet evla evvk kaaa kaab kaak kaal kaat kaba kabb kabc kabe kacb kacc kace kacl kact kacv kael kaet kaka kakc kake kakk kakt kala kalb kalc kale kalk kall kalt kalv kat- kata katb katc kate katk katl katt katv kava kavb kave kavl kavv kbaa kbab kbac kbae kbak kbal kbat kbba kbbb kbbc kbbe kbbk kbbl kbbt kbca kbcb kbce kbck kbcl kbct kbeb kbec kbee kbek kbel kbet kbev kbkb kbkk kbkl kbkv kbla kblb kble kbll kblt kblv kbta kbtb kbtc kbte kbtk kbtl kbtt kbtv kbva kbvb kbvc kcaa kcab kcac kcal kcat kcav kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kcct kccv kcea kceb kcec kcee kcel kcet kckc kckk kckl kckv kcla kclc kcle kclk kcll kclt kclv kcta kctb kctc kcte kctv kcvk kcvl kcvv kea- keak keal keat keba kebb kebc kebe kebt keca keck keek keel keet keka kekb kekc keke kekl kela kele kelk kell kelt ket- keta ketc kete ketk kett ketv keva keve kevt kkaa kkac kkal kkat kkba kkbb kkbe kkbl kkbt kkcb kkck kkcl kkct kkea kkkk kklb kklc kkll kklv kktc kktk kktl kktv kkvt kkvv klaa klab klac klak klal klat klav klbb klbc klbe klbl klbt klca klcb klcc klce klck klcl klea kleb klec klee klek klet klka klkc klkk klkl klkv klla kllb kllc klle kllk kllv kltc kltk kltt kltv klvb klve klvk klvl klvt klvv ktaa ktae ktak ktal ktat ktav ktba ktbb ktbc ktbl ktbt ktcc ktce ktck ktcl ktcv ktea ktec ktee ktek ktel ktkb ktkc ktke ktkk ktkt ktla ktlb ktlk ktlt ktlv kttc kttk kttt kttv ktva ktvb ktvc ktve ktvk ktvl ktvt kvab kvak kval kvat kvbc kvbl kvbt kvcb kvcc kvce kvck kvcl kvct kvcv kvea kvec kvel kvet kvkl kvlb kvlc kvle kvlv kvta kvtk kvtt kvtv kvvl kvvv laaa laac laak laal laat laba labe laca lacc lace lack lacl lact lael laet laka lake lala lale lall lata latc late latt latv lava lavc lave lbcc lcac lcat lcbc lcca lccc lcce lctl leaa leak leal leat leba leca lece leck lect leea leek leel leet leka leke lekk lela lele lell leta lete lett lev- leva levc leve lkab lkal llat llcc llet lllc llll ltac ltae ltbl ltcc ltee ltke lttc lttv lvcc lvea taa- taal taat taba tabb tabc tabe tabl taca tacc tace tack tacl tact tacv taec tael taka take takk takt tala talc tale talk tall tata tatb tate tatt tatv tava tave tbca tbcb tbcc tbce tbta tcca tccc tctc teac teak teal teat teba teca teck tecl tect teec teek teel teet teev teka teke tel- tela telc tele tell telt teta tete tett teva tevl tkac tlac ttab ttbb tttt tvac tvel tvtv vaal vaat vaca vace vack vaka vake vala vale valk vall valt vata vate vatt vava vbcc vcal vcat veak veal veat veba vecc veck veel veet veka veke vel- vela vele vell velt