a-ak a-do a-ok aaaa aaac aaad aaal aaca aacc aacd aack aacl aaco aada aadc aaka aala aalc aald aall aalo aaoo acaa acac acad acca accc accd acco acda acdc ackd acla aclc acoa acod acol adaa adac adad adak adal adao adcc adda addc addd addl addo adoc adod adok adoo akaa akal akao akca akka akko aklo akok alaa alac alad alak alal alao alca alcc alco ald- alda aldl aldo alk- alka alkd alko all- alla alll allo aloa aloc alod alok alol aloo aoca aola c-cd caaa caac caal cac- caca cacc cack caco cada cadc cadd cado caka cala calc cald calk call calo caod caol ccaa ccac ccad ccca cccc cccl ccdc ccla cclc ccoc ccod cdaa cdac cdad cdda cddl ckac ckck ckcl ckco ckdo ckoa ckoc ckoo clad clcd cldc clod clok cloo coad coak coal coca cock coco coda codd codl cok- coka coko col- cola cold colk coll colo cood cook cool daad daal daca dada dado daka dako dala dalk dall dalo dcca dccc dccl dddd ddlc ddoc dkdc dlco doak doal doca dock doco dod- doda dodd dodo doka doko dola dold dolk doll dolo dood dook dool k-lo kaaa kaak kaal kacc kacd kacl kaco kad- kada kadd kadl kado kaka kakc kakk kako kala kalc kald kalk kall kalo kaoa kaoc kaok kaol kcaa kcac kcad kcal kcca kccc kccd kcck kccl kcda kcdc kcdd kckc kckk kckl kcko kcla kclc kclk kcll kcol kdaa kdac kdad kdak kdal kdao kdca kdcc kdcd kdco kddc kddd kddk kddl kdka kdkd kdkk kdko kdla kdlc kdld kdll kdlo kdoc kdok kkaa kkac kkal kkcd kkck kkcl kkco kkda kkdc kkdd kkdl kkdo kkkk kklc kkld kkll kklo kkoa kkol kkoo klaa klac klad klak klal klca klcc klcd klck klcl kldc kldd klka klkc klkk klkl klko klla kllc kllk kloa kloc klok klol kloo koac koak koal koca kocd kock koda kodk kodl kodo koka kokc kokk koko kola kolc kold kolk koll kolo kooc kook kool kooo laaa laac laad laak laal laca lacc lack lacl laco lada ladd lado laka lala lald lall lalo lcac lcad lcca lccc lcdd lkal llao llcc lldc lllc llll lloa lloc llod lloo loac load loca locc lock loco loda loka lokk loko lola lold loll lolo looc lood look lool oall ocac ocad ocak ocal occa occc oclc odac odal odda oddd odla odoo okak okka okko okla oklo okok okol olac olca olcc olka olla ollo ooaa ooak ooda oola oold oolo oooo