-vac a-ak a-ok aaaa aaac aaal aaav aaca aacc aack aacl aaco aacv aaka aala aalc aall aalo aaoo aava acaa acac acca accc acco acla aclc acoa acol acvv 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 alov alva alvo aoca aola aval avao avcc avco avva avvo caaa caac caal cac- caca cacc cack caco caka cala calc calk call calo caol cava cavo ccaa ccac ccca cccc cccl cccv ccla cclc cclv ccoc ccvo ckac ckck ckcl ckco ckcv ckoa ckoc ckoo ckvl ckvo clav clok cloo coak coal coca cock coco cok- coka coko col- cola colk coll colo cook cool cova covo cvac cvca cvcc k-lo kaaa kaak kaal kacc kacl kaco kacv kaka kakc kakk kako kala kalc kalk kall kalo kalv kaoa kaoc kaok kaol kava kavl kavo kavv kcaa kcac kcal kcav kcca kccc kcck kccl kccv kckc kckk kckl kcko kckv kcla kclc kclk kcll kclv kcol kcvk kcvl kcvo kcvv kkaa kkac kkal kkck kkcl kkco kkkk kklc kkll kklo kklv kkoa kkol kkoo kkov kkvv klaa klac klak klal klav klca klcc klck klcl klka klkc klkk klkl klko klkv klla kllc kllk kllv kloa kloc klok klol kloo klov klvk klvl klvo klvv koac koak koal koca kock koka kokc kokk koko kola kolc kolk koll kolo kolv kooc kook kool kooo koov kova kovc kovk kovo kvak kval kvcc kvck kvcl kvco kvcv kvkl kvlc kvlo kvlv kvoa kvoc kvok kvol kvoo kvov kvvl kvvv laaa laac laak laal laca lacc lack lacl laco laka lala lall lalo lava lavc lavo lcac lcca lccc lkal llao llcc lllc llll lloa lloc lloo lo-v loac loca locc lock loco loka lokk loko lola loll lolo looc look lool lovo lvcc lvov oall ocac ocak ocal occa occc oclc okak okka okko okla oklo okok okol olac olav olca olcc olka olla ollo olov ooaa ooak oola oolo oooo oval ovo- ovol ovoo vaal vaca vack vaco vaka vala valk vall valo vava vcal vlcc vloc vlok voca voka vola volc volk voll volo vooc vool vovk vvvv