a-be a-fu aaaa aaab aaac aaae aaaf aaal aaba aabb aabc aabl aabt aaca aacb aacc aace aacf aacl aact aacu aaea aaec aafa aafb aafc aaff aafl aala aalc aale aall aalu aata aatc aatf aatt abaa abab abac abae abaf abal abat abau abb- abba abbb abbe abbt abca abcb abcc abcf abcl abct abec abee abel abet abff abla able abta abtu abua abue abuf abul abut ac-t acaa acab acac acae acat acba acbl acca accc acce accf acct accu ace- acea acec acel acet acfc acfe acfl acft acla aclc acle aclu acta actc acte actf actl actt actu acu- acue acuf acul acut aeac aeaf aecb aecl aect aela aelc aeta aetc aetf aett afaa afat afca afcb afcc afcu afee afel afet affa affc afft afla aflc afle afta aftc afte afua afue alaa alac alae alal alat alau alb- alba albc albe albu alca alcc alce alea alec alee alef alet aleu alfa alfe all- alla alle alll allu alta alte alua aluf alut at-l at-t ataa atab atac atae atal atat atca atcc atcf atcl atea atec atee atef atel atfb atfc atfe atla atle atta atte attu atua atub atuc atul auaa aube auca auce auct auel aufc aufe aul- aula aule aulf aull ault aulu aut- aute baaa baaf baal baat baba babb babe babu bac- baca bacc bace bact bael bafc baff baft bala balc bale balf ball balt balu bata batc bate batf batt batu bau- bauf baul bbau bbbb bbeb bbet bbfc bblb bcaa bcat bcbc bcca bccc bccl bcec bcet bcfc bctc bcuc beaf beal beat beau beba bebb bebe beca becu beeb beef beel beet befa befe beff beft bela bele bell belt belu beta betc bete bett betu bfca bffl bfta bftt blaa blab blac blae blat blau blbt blcu blea bleb blee blet bleu blfc blub blue bluf blut btaa btaf btcc btcl btec btfc btla bttb bual buat buba bubb bube bubu buca bucc buce bucu buea buel bueu bufc bufe buff bula bulb bule bull bult bulu but- buta bute butt caaa caab caac caaf caal caat caba cabe cabf cabu cac- caca cacc cace caec caeu cafa cafb cafc cafe caff cafl cafu cala calc cale calf call calt calu cat- cata catb catc cate catf catt catu cauc cauf caul caut cbac cbal cbat cbbc cbca cbcc cbce cbcl cbct cbcu cbea cbec cbee cbef cbet cbfb cbfc cblb cblc cbta cbtc cbtf cbtl ccaa ccab ccac ccaf ccat ccba ccbc ccca cccb cccc cccf cccl cccu ccee ccel ccfa ccfc ccff ccfl ccla cclc cctb cctc cctl cctt ccuc ccut ceac ceal ceat ceba cebu cec- ceca cece cect ceeb ceec ceel cef- cefa cefc cel- cela celc cele celf cell celt cet- ceta cete cfaa cfab cfac cfae cfbc cfbt cfca cfcb cfcf cfcl cffb cfta cftc cfte cftl clab claf clat clau clea clec clee clef clet cleu cltb cltc club clue clut ctab ctae ctal ctba ctca ctcf ctec ctfc ctle ctta cuau cub- cuba cubb cube cuca cucc cuce cufa cufc cuff cula culb culc cule cull cult cut- cuta cutc cute cutt e-cl e-la eaaf eaba eaca eacc eaec eafb eala ealc eale eata eate ebac ebal ebba ebbc ebcc ebel ebfc ebla ebul ecaa ecac ecal ecat ecbc ecbe ecca eccb eccc ecce eccl ecct ecef ecfa ecfc ecla eclt ect- ecta ectc ectf ecua eeca eeea eeee eefa eefe eefl eele eeta eetc eete eetu efab efca efet effa efla eft- efta eftu efua el-b elab elac elal elat elba elbe elbu elca elcb elce elea elec elee elef elet elfa elfc elfe elft ella elle ellu elta elte elue elul etal etat etbc etcc etec etee etel etfa etfb etfc etfe etla etta ette ettu etua euba eubc eufc eula eule faaa faac faba fabe fabu faca facc face fact faeb fafa fafc fafe faff fala falc fale fall falt falu fata fatc fate fatf fatt faue faul faut fbla fble fcab fcal fcat fcba fcca fccf feaf feal feat feba fece fect feeb feel feet fefc fefe feff fela fele felf fell felt feta fete fett fetu ffcc ffee ffff fftf flab flac flae flat flcl flea flee flet flub flue fluf ft-c ft-l ftea ftfc ftlb ftub ftuc fuat fubb fubu fuc- fuca fuct fuel fuet fufc fuff fufu fula fule full fulu futa fute futu laaa laac laal laat laba labe labu laca lacc lace lacl lact lacu lael laet lafb lafc lafe laff laft lala lale lall lalu lata latc late latt latu laub laue lauf laul laut lbcc lcac lcat lcbc lcca lccc lcce lcfc lctl le-u leaa leaf leal leat leau leba lebu leca lece lect leea leef leel leet lefa lefe leff left lela lele lell lelu leta lete lett leuc lfat lfca lfcc llat llcc llef llet lleu lllc llll ltac ltae ltbf ltbl ltcc ltee ltfc lttc ltuc luau luba lube luca luce luef lufe luff luft lufu lula lule lull lulu luta lute luua taa- taaf taal taat taba tabb tabc tabe tabl tabu taca tacc tace tacl tact taec tael tafa tafc tafe taff taft tala talc tale tall talu tata tatb tate tatt tatu taua taub tauc taue taul taut tbaf tbca tbcb tbcc tbce tbta tcca tccc tccu tcfc tctc tcul teac teal teat teba tebu teca tecl tect teec teef teel teet tefc teff tefl teft tel- tela telc tele tell telt telu teta tete tett tetu teut tfae tfal tfca tfcu tfeb tfec tftc tlac ttab ttbb ttfa ttfc ttff tttt ttul tuae tual tuat tuba tubb tube tubu tuca tucc tuel tuet tufa tufc tufe tuff tuft tufu tula tule tull tulu tuta tute tutl tutt tutu uabc uaca uafa uata uatu uaua ubac ubal ubba ubbe ubet ubla uble ubtf ucal ucat ucbc ucca ucea ucel ucfa ucfb ucla ucua ucut ueba uefa uele uell ufcu ufel uffa uffe ulaa ulae ulbc