cccc cccl cccv ccee ccel cclc cclv ccoc ccvo cec- cece ceco ceec ceel ceke cel- celc cele cell celo ceol cevo ckck ckcl ckco ckcv ckoc ckoo ckvl ckvo clec clee clek cleo cloe clok cloo coce cock coco coel cok- coke coko col- cole colk coll colo cook cool cove covo cvcc e-cl eccc ecce eccl ecco ecko eco- ecol eeee eeke eele eelv eeoc ekco ekek elce elco elec elee elek eleo elev elke elko elle ello elok elve elvo eole eolo evel evoe evol evoo evvk k-lo kccc kcck kccl kccv kcec kcee kcel kceo kckc kckk kckl kcko kckv kclc kcle kclk kcll kclv kcoe kcol kcvk kcvl kcvo kcvv keck keco keek keel kekc keke kekl keko kele kelk kell kelo keok keol keve kkck kkcl kkco kkkk kklc kkll kklo kklv kkol kkoo kkov kkvv klcc klce klck klcl klec klee klek kleo klkc klkk klkl klko klkv kllc klle kllk kllv kloc kloe klok klol kloo klov klve klvk klvl klvo klvv kock koel kokc koke kokk koko kolc kole kolk koll kolo kolv kooc kook kool kooo koov kovc kove kovk kovo kvcc kvce kvck kvcl kvco kvcv kvec kvel kvkl kvlc kvle kvlo kvlv kvoc kvoe kvok kvol kvoo kvov kvvl kvvv lccc lcce lece leck leco leek leel leke lekk leko lele lell lelo leoc leok leov lev- levc leve levo llcc lllc llll lloc lloo lo-v locc loce lock loco loke lokk loko lole loll lolo looc looe look lool love lovo lvcc lvov o-eo occc oce ocee ocke oclc oec- oecc oeec oele okko oklo okok okol olcc ole- oleo olev olle ollo olov oolo oooo ovee ovo- ovol ovoo vecc veck veel veke vel- vele vell velo veol veve vevo vlcc vloc vlok voce voel voke volc vole volk voll volo vooc vool vovk vvvv