cccc cccl cccv ccee ccel cclc cclv ccoc ccrc ccre ccrl ccvo cec- cece ceco ceec ceel ceke cel- celc cele cell celo ceol ceor cer- cerc cere cerl cero cevo ckck ckcl ckco ckcv cker ckoc ckoo ckor ckrc ckvl ckvo clec clee clek cleo cler cloe clok cloo clor clro clrv coce cock coco coel cok- coke coko col- cole colk coll colo cook cool cor- corc core cork corl coro corr cove covo crcc crce crcr cre- crec cree creo crkc crkl croc croe crok crol croo cror cvcc cver cvrr e-cl eccc ecce eccl ecco ecko eco- ecol ecrc ecrl ecrr ecrv eeee eeke eele eelv eeoc eerc eero ekco ekek eker elce elco elec elee elek eleo eler elev elke elko elle ello elok elro elve elvo eole eolo eore eorl ercc erce erec erel erer erev erke erle erll eroc eroe erol eroo errc erre erro erve evel ever evoe evol evoo evre evvk k-lo kccc kcck kccl kccr kccv kcec kcee kcel kceo kckc kckk kckl kcko kckr kckv kclc kcle kclk kcll kclr kclv kcoe kcol kcor kcrc kcro kcrr kcrv kcvk kcvl kcvo kcvr kcvv keck keco kecr keek keel keer kekc keke kekl keko kele kelk kell kelo keok keol ker- kerc kere kerk kerl kero kerr kerv keve kkck kkcl kkco kkcr kkkk kklc kkll kklo kklv kkol kkoo kkor kkov kkrc kkre kkrk kkrl kkro kkrr kkrv kkvr kkvv klcc klce klck klcl klcr klec klee klek kleo kler klkc klkk klkl klko klkr klkv kllc klle kllk kllv kloc kloe klok klol kloo klor klov klrc klrk klrr klve klvk klvl klvo klvv kock koel kokc koke kokk koko kokr kolc kole kolk koll kolo kolr kolv kooc kook kool kooo koor koov korc kore kork korl koro korr korv kovc kove kovk kovo kovr krcc krce krcl krco krec kree krek kreo krev krkc krke krkk krko krkr krkv krlc krle krlv kroc kroe krok krol kroo kror krov krrc krre krrk krrl krro krrr krvc krve krvk krvl krvo krvr krvv kvcc kvce kvck kvcl kvco kvcr kvcv kvec kvel kver kvkl kvlc kvle kvlo kvlr kvlv kvoc kvoe kvok kvol kvoo kvor kvov kvrc kvre kvro kvrr kvrv kvvl kvvr kvvv lccc lcce lcer lcor lcrl lcrv lece leck leco leek leel leer leke lekk leko lele lell lelo leoc leok leor leov lerc lere lerk lero 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 loor lore lork loro love lovo lroc lrrc lrrr lvcc lvov lvrr o-eo occc oce ocee ocke oclc ocre ocrl ocro ocrr oec- oecc oeec oele oere oker okko oklo okok okol okor okre okro olcc ole- oleo oler olev olle ollo olor olov oocr ooer oolo oooo oore orce orco ore- orec orek orel oreo orer orke orko orle orlo oro- oroe orok oror orro orve orvr ovee over ovo- ovol ovoo ovre rccc rcle rcvr recc rece reck recr reek reel reev reke reko rele rell relo reol rere rero reve revo rlee rocc roce rock roco roel roer roev roke rokk roko rokr role rolk roll rolo rook rool roor rorc rore rork roro rove rovo rrle rrrr rv-c rver vecc veck veel veer veke vel- vele vell velo veol veor ver- vere verk verl vero veve vevo vkor vlcc vloc vlok voce voel voer voke volc vole volk voll volo vooc vool voor vor- vore voro vovk vreo vroc vver vvvv