a-ak aaaa aaac aaad aaae aaal aaca aacc aacd aace aack aacl aada aadc aade aaea aaec aaka aake aala aalc aald aale aall acaa acac acad acae acca accc accd acce acda acdc acde ace- acea acec aced acek acel ackd acke acla aclc acle adaa adac adad adae adak adal adcc adda addc addd adde addl adea adee adel adle aeac aecl aede aeka aela aelc akaa akae akal akca aked akee akel akka akle alaa alac alad alae alak alal alca alcc alce ald- alda alde aldl alea alec aled alee alek alk- alka alkd alke all- alla alle alll c-cd caaa caac caal cac- caca cacc cace cack cada cadc cadd cade caec caka cake cala calc cald cale calk call ccaa ccac ccad ccca cccc cccl ccdc cced ccee ccel ccla cclc cd-e cdaa cdac cdad cdda cddl cdec ceac cead ceal cec- ceca cece ceda cedd cede ceec ceel ceke cel- cela celc cele cell ckac ckck ckcl clad clcd cldc clea clec cled clee clek daad daae daal daca dace dada dade daka dake dala dale dalk dall dcca dccc dccl dddd ddlc deac dead deae deak deal dec- deca decc decd dece deck decl deda dedd dede deed deek deel dek- deka deke dela deld dele delk dell dkdc e-cl e-la eaca eacc eada eadd eaec eala ealc eald eale ecaa ecac ecad ecal ecca eccc ecce eccl ecdc ecdl eced ecka ecla edac edad edca edda eddc edde ede- edea edel edla edle eeca eede eeea eeee eeka eeke eele eka- eked ekek ekka elac elad elal elca elce elda elde elea elec eled elee elek elka elke ella elle kaaa kaak kaal kacc kacd kace kacl kad- kada kadd kade kadl kael kaka kakc kake kakk kala kalc kald kale kalk kall kcaa kcac kcad kcal kcca kccc kccd kcck kccl kcda kcdc kcdd kcea kcec kced kcee kcel kckc kckk kckl kcla kclc kcle kclk kcll kdaa kdac kdad kdae kdak kdal kdca kdcc kdcd kdce kddc kddd kddk kddl kdec kdel kdka kdkd kdkk kdla kdlc kdld kdll kea- kead keak keal keca keck keda kedc kedd kede keed keek keel keka kekc keke kekl kela keld kele kelk kell kkaa kkac kkal kkcd kkck kkcl kkda kkdc kkdd kkdl kkea kked kkkk kklc kkld kkll klaa klac klad klak klal klca klcc klcd klce klck klcl kldc kldd klde klea klec kled klee klek klka klkc klkk klkl klla kllc klle kllk laaa laac laad laak laal laca lacc lace lack lacl lada ladd lade lael laka lake lala lald lale lall lcac lcad lcca lccc lcce lcdd leaa lead leak leal leca lece leck leda lede leea leed leek leel leka leke lekk lela lele lell lkal llcc lldc lllc llll