a-ak a-be aaaa aaab aaac aaae aaal aaba aabb aabc aabl aaca aacb aacc aace aack aacl aacu aaea aaec aaka aake aaku aala aalc aale aall aalu abaa abab abac abae abak abal abau abb- abba abbb abbe abca abcb abcc abcl abec abee abel abla able abua abue abuk abul acaa acab acac acae acba acbl acca accc acce accu ace- acea acec acek acel acke acla aclc acle aclu acu- acue acul aeac aecb aecl aeka aela aelc 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 alek aleu alk- alka alkb alke alku all- alla alle alll allu alua aluk auaa aube auca auce auel auke aul- aula aule aull aulu baaa baak baal baba babb babe babu bac- baca bacc bace back baek bael bak- baka bake bakl baku bala balc bale balk ball balu bau- bauk baul bbau bbbb bbeb bblb bcaa bcbc bcca bccc bccl bcec bcuc beak beal beau beba bebb bebe beca beck becu beeb beek beel beka beke bela bele belk bell belu beuk blaa blab blac blae blak blau blcu blea bleb blee blek bleu blkb blub blue bual buba bubb bube bubu buca bucc buce buck bucu buea buel bueu buka buke bukk buku bula bulb bule bulk bull bulu caaa caab caac caal caba cabe cabu cac- caca cacc cace cack caec caeu caka cake cala calc cale calk call calu cauc cauk caul cbac cbal cbbc cbca cbcc cbce cbcl cbcu cbea cbec cbee cbka cbkl cblb cblc ccaa ccab ccac ccba ccbc ccca cccb cccc cccl cccu ccee ccel ccla cclc ccuc ceac ceal ceba cebu cec- ceca cece ceeb ceec ceel ceke cel- cela celc cele cell ckac ckbc ckbe ckck ckcl clab clau clea clec clee clek cleu club clue cuau cub- cuba cubb cube cuca cucc cuce cuck cuek cuk- cuka cuke cula culb culc cule culk cull e-cl e-la eaba eaca eacc eaec eala ealc eale ebac ebal ebba ebbc ebcc ebel ebla ebul ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl ecka ecla ecua eeca eeea eeee eeka eeke eele eka- ekab ekeb ekek ekka el-b elab elac elal elba elbe elbu elca elcb elce elea elec elee elek elka elke ella elle ellu elue elul euba eubc eula eule kaaa kaab kaak kaal kaba kabb kabc kabe kabu kacb kacc kace kacl kacu kael kaka kakc kake kakk kaku kala kalb kalc kale kalk kall kalu kau- kaub kauc kaue kauk kaul kbaa kbab kbac kbae kbak kbal kbba kbbb kbbc kbbe kbbk kbbl kbbu kbca kbcb kbce kbck kbcl kbcu kbeb kbec kbee kbek kbel kbkb kbkk kbkl kbla kblb kble kbll kblu kbua kbub kbuc kbue kbuk kbul kbuu kcaa kcab kcac kcal kcau kcba kcbc kcbk kcbl kcbu kcca kccb kccc kcck kccl kccu kcea kceb kcec kcee kcel kceu kckc kckk kckl kcla kclc kcle kclk kcll kclu kcua kcub kcue kcuk kcul kea- keak keal keau keba kebb kebc kebe kebu keca keck keek keel keka kekb kekc keke kekl keku kela kele kelk kell kelu keul kkaa kkac kkal kkba kkbb kkbe kkbl kkcb kkck kkcl kkea kkkk kklb kklc kkll kkua kkuu klaa klab klac klak klal klbb klbc klbe klbl klbu klca klcb klcc klce klck klcl klea kleb klec klee klek klka klkc klkk klkl klla kllb kllc klle kllk klub klue kluk kluu kuac kuau kuba kubb kubc kube kubu kuca kucb kucc kuce kuek kuel kueu kuka kuke kukk kukl kuku kula kulb kule kull kulu kuub kuuk kuul kuuu laaa laac laak laal laba labe labu laca lacc lace lack lacl lacu lael laka lake lala lale lall lalu laub laue lauk laul lbcc lcac lcbc lcca lccc lcce le-u leaa leak leal leau leba lebu leca lece leck leea leek leel leka leke lekk lela lele lell lelu leuc leuk lkab lkal llcc lleu lllc llll luau luba lube luca luce luck luka luke lula lule lull lulu luua luuk uabc uaca uaua ubac ubal ubba ubbe ubek ubla uble ucak ucal ucbc ucca ucea ucel ucka ucla ucua ueba uele uell ukba ukcc ukek ukeu ukla ulaa ulae ulbc ulcc ulea uleb ulee ulek ulla ulle ulua uluk ulul uulu uuuu