ceorl ecorl coerl ocerl eocrl oecrl cerol ecrol creol rceol ercol recol corel ocrel croel rcoel orcel rocel eorcl oercl erocl reocl orecl roecl ceolr ecolr coelr ocelr eoclr oeclr celor eclor cleor lceor elcor lecor coler ocler cloer lcoer olcer locer eolcr oelcr elocr leocr olecr loecr cerlo ecrlo crelo rcelo erclo reclo celro eclro clero lcero elcro lecro crleo rcleo clreo lcreo rlceo lrceo erlco relco elrco lerco rleco lreco corle ocrle crole rcole orcle rocle colre oclre clore lcore olcre locre crloe rcloe clroe lcroe rlcoe lrcoe orlce rolce olrce lorce rloce lroce eorlc oerlc erolc reolc orelc roelc eolrc oelrc elorc leorc olerc loerc erloc reloc elroc leroc rleoc lreoc orlec rolec olrec lorec rloec lroec
Note: these 'words' (valid or invalid) are all the permutations of the word ceorl. These words are obtained by scrambling the letters in ceorl.