a-ak a-ok aaaa aaac aaal aaca aacc aack aacl aaco aaka aala aalc aall aalo aaoo acaa acac acca accc acco acla aclc acoa acol akaa akal akao akca akka akko aklo akok alaa alac alak alal alao alca alcc alco alk- alka alko all- alla alll allo aloa aloc alok alol aloo aoca aola caaa caac caal cac- caca cacc cack caco caka cala calc calk call calo caol ccaa ccac ccca cccc cccl ccla cclc ccoc ckac ckck ckcl ckco ckoa ckoc ckoo clok cloo coak coal coca cock coco cok- coka coko col- cola colk coll colo cook cool k-lo kaaa kaak kaal kacc kacl kaco kaka kakc kakk kako kala kalc kalk kall kalo kaoa kaoc kaok kaol kcaa kcac kcal kcca kccc kcck kccl kckc kckk kckl kcko kcla kclc kclk kcll kcol kkaa kkac kkal kkck kkcl kkco kkkk kklc kkll kklo kkoa kkol kkoo klaa klac klak klal klca klcc klck klcl klka klkc klkk klkl klko klla kllc kllk kloa kloc klok klol kloo koac koak koal koca kock koka kokc kokk koko kola kolc kolk koll kolo kooc kook kool kooo laaa laac laak laal laca lacc lack lacl laco laka lala lall lalo lcac lcca lccc lkal llao llcc lllc llll lloa lloc lloo loac loca locc lock loco loka lokk loko lola loll lolo looc look lool oall ocac ocak ocal occa occc oclc okak okka okko okla oklo okok okol olac olca olcc olka olla ollo ooaa ooak oola oolo oooo