a-ak a-be a-fu aaaa aaab aaac aaae aaaf aaal aaba aabb aabc aabl aaca aacb aacc aace aacf aack aacl aacu aaea aaec aafa aafb aafc aaff aafl aaka aake aaku aala aalc aale aall aalu abaa abab abac abae abaf abak abal abau abb- abba abbb abbe abca abcb abcc abcf abcl abec abee abel abff abla able abua abue abuf abuk abul acaa acab acac acae acba acbl acca accc acce accf accu ace- acea acec acek acel acfc acfe acfl acke acla aclc acle aclu acu- acue acuf acul aeac aeaf aecb aecl aeka aela aelc afaa afak afca afcb afcc afcu afee afek afel affa affc afka afla aflc afle afua afue akaa akae akal akca akee akel akeu akka akku akle akua alaa alac alae alak alal alau alb- alba albc albe albu alca alcc alce alea alec alee alef alek aleu alfa alfe alk- alka alkb alke alku all- alla alle alll allu alua aluf aluk auaa aube auca auce auel aufc aufe auke aul- aula aule aulf aull aulu baaa baaf baak baal baba babb babe babu bac- baca bacc bace back baek bael bafc baff bak- baka bake bakl baku bala balc bale balf balk ball balu bau- bauf bauk baul bbau bbbb bbeb bbfc bblb bcaa bcbc bcca bccc bccl bcec bcfc bcuc beaf beak beal beau beba bebb bebe beca beck becu beeb beef beek beel befa befe beff beka beke bela bele belk bell belu beuk bfca bffl blaa blab blac blae blak blau blcu blea bleb blee blek bleu blfc blkb blub blue bluf bual buba bubb bube bubu buca bucc buce buck bucu buea buel bueu bufc bufe buff buka buke bukk buku bula bulb bule bulk bull bulu caaa caab caac caaf caal caba cabe cabf cabu cac- caca cacc cace cack caec caeu cafa cafb cafc cafe caff cafl cafu caka cake cala calc cale calf calk call calu cauc cauf cauk caul cbac cbal cbbc cbca cbcc cbce cbcl cbcu cbea cbec cbee cbef cbfb cbfc cbka cbkl cblb cblc ccaa ccab ccac ccaf ccba ccbc ccca cccb cccc cccf cccl cccu ccee ccel ccfa ccfc ccff ccfl ccla cclc ccuc ceac ceal ceba cebu cec- ceca cece ceeb ceec ceel cef- cefa cefc ceke cel- cela celc cele celf cell cfaa cfab cfac cfae cfbc cfca cfcb cfcf cfcl cffb ckac ckbc ckbe ckck ckcl cklf clab claf clau clea clec clee clef clek cleu club clue cuau cub- cuba cubb cube cuca cucc cuce cuck cuek cufa cufc cuff cuk- cuka cuke cula culb culc cule culk cull e-cl e-la eaaf eaba eaca eacc eaec eafb eala ealc eale ebac ebal ebba ebbc ebcc ebel ebfc ebla ebul ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl ecef ecfa ecfc ecka ecla ecua eeca eeea eeee eefa eefe eefl eeka eeke eele efab efca effa efke efla efua eka- ekab ekeb ekek ekfc ekka el-b elab elac elal elba elbe elbu elca elcb elce elea elec elee elef elek elfa elfc elfe elka elke ella elle ellu elue elul euba eubc eufc eula eule f--k faaa faac faba fabe fabu faca facc face fack faeb fafa fafc fafe faff fake faku fala falc fale falk fall falu faue faul fbla fble fcab fcal fcba fcca fccf fcuk feaf feak feal feba fece feck feeb feek feel fefc fefe feff feke fela fele felf felk fell ffcc ffee ffff fkab flab flac flae flak flcl flea flee flub flue fluf fubb fubu fuc- fuca fuck fuel fufc fuff fufu fuka fuke fukk fuku fula fule fulk full fulu kaaa kaab kaaf kaak kaal kaba kabb kabc kabe kabf kabu kacb kacc kace kacl kacu kael kafa kafc kafe kaff kafu kaka kakc kake kakk kaku kala kalb kalc kale kalf kalk kall kalu kau- kaub kauc kaue kauk kaul kbaa kbab kbac kbae kbak kbal kbba kbbb kbbc kbbe kbbf kbbk kbbl kbbu kbca kbcb kbce kbck kbcl kbcu kbeb kbec kbee kbef kbek kbel kbfb kbfc kbff kbfk kbfl kbkb kbkf kbkk kbkl kbla kblb kble kblf kbll kblu kbua kbub kbuc kbue kbuf kbuk kbul kbuu kcaa kcab kcac kcal kcau kcba kcbc kcbf kcbk kcbl kcbu kcca kccb kccc kcck kccl kccu kcea kceb kcec kcee kcel kceu kcfa kcfb kcfc kcfl kckc kckf kckk kckl kcla kclc kcle kclf kclk kcll kclu kcua kcub kcue kcuf kcuk kcul kea- keak keal keau keba kebb kebc kebe kebu keca keck keef keek keel kefa kefb kefc keff keka kekb kekc keke kekl keku kela kele kelf kelk kell kelu keul kfab kfac kfal kfbc kfbk kfcf kfeb kfel kffa kffb kfff kffk kfka kfkb kfla kflb kflc kflf kfll kful kkaa kkac kkal kkba kkbb kkbe kkbl kkcb kkck kkcl kkea kkkk kklb kklc kklf kkll kkua kkuu klaa klab klac klaf klak klal klbb klbc klbe klbf klbl klbu klca klcb klcc klce klck klcl klea kleb klec klee klef klek klfa klfc klfe klff klka klkc klkk klkl klla kllb kllc klle kllk klub klue kluf kluk kluu kuac kuaf kuau kuba kubb kubc kube kubu kuca kucb kucc kuce kuek kuel kueu kufa kufc kuff kuka kuke kukk kukl kuku kula kulb kule kulf kull kulu kuub kuuk kuul kuuu laaa laac laak laal laba labe labu laca lacc lace lack lacl lacu lael lafb lafc lafe laff laka lake lala lale lall lalu laub laue lauf lauk laul lbcc lcac lcbc lcca lccc lcce lcfc le-u leaa leaf leak leal leau leba lebu leca lece leck leea leef leek leel lefa lefe leff leka leke lekk lela lele lell lelu leuc leuk lfca lfcc lkab lkal llcc llef lleu lllc llll luau luba lube luca luce luck luef lufe luff lufu luka luke lula lule lull lulu luua luuk uabc uaca uafa uaua ubac ubal ubba ubbe ubek ubla uble ucak ucal ucbc ucca ucea ucel ucfa ucfb ucka ucla ucua ueba uefa uele uell