cccc cccl ccee ccel cclc ccoc ccrc ccre ccrl cec- cece ceco ceec ceel ceke cel- celc cele cell celo ceol ceor cer- cerc cere cerl cero ckck ckcl ckco cker ckoc ckoo ckor ckrc clec clee clek cleo cler cloe clok cloo clor clro coce cock coco coel cok- coke coko col- cole colk coll colo cook cool cor- corc core cork corl coro corr crcc crce crcr cre- crec cree creo crkc crkl croc croe crok crol croo cror e-cl eccc ecce eccl ecco ecko eco- ecol ecrc ecrl ecrr eeee eeke eele eeoc eerc eero ekco ekek eker elce elco elec elee elek eleo eler elke elko elle ello elok elro eole eolo eore eorl ercc erce erec erel erer erke erle erll eroc eroe erol eroo errc erre erro k-lo kccc kcck kccl kccr kcec kcee kcel kceo kckc kckk kckl kcko kckr kclc kcle kclk kcll kclr kcoe kcol kcor kcrc kcro kcrr keck keco kecr keek keel keer kekc keke kekl keko kele kelk kell kelo keok keol ker- kerc kere kerk kerl kero kerr kkck kkcl kkco kkcr kkkk kklc kkll kklo kkol kkoo kkor kkrc kkre kkrk kkrl kkro kkrr klcc klce klck klcl klcr klec klee klek kleo kler klkc klkk klkl klko klkr kllc klle kllk kloc kloe klok klol kloo klor klrc klrk klrr kock koel kokc koke kokk koko kokr kolc kole kolk koll kolo kolr kooc kook kool kooo koor korc kore kork korl koro korr krcc krce krcl krco krec kree krek kreo krkc krke krkk krko krkr krlc krle kroc kroe krok krol kroo kror krrc krre krrk krrl krro krrr lccc lcce lcer lcor lcrl lece leck leco leek leel leer leke lekk leko lele lell lelo leoc leok leor lerc lere lerk lero llcc lllc llll lloc lloo locc loce lock loco loke lokk loko lole loll lolo looc looe look lool loor lore lork loro lroc lrrc lrrr 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 olle ollo olor oocr ooer oolo oooo oore orce orco ore- orec orek orel oreo orer orke orko orle orlo oro- oroe orok oror orro rccc rcle recc rece reck recr reek reel reke reko rele rell relo reol rere rero rlee rocc roce rock roco roel roer roke rokk roko rokr role rolk roll rolo rook rool roor rorc rore rork roro rrle rrrr