orles roles olres lores rloes lroes orels roels oerls eorls reols erols olers loers oelrs eolrs leors elors rleos lreos relos erlos leros elros orlse rolse olrse lorse rlose lrose orsle rosle osrle sorle rsole srole olsre losre oslre solre lsore slore rlsoe lrsoe rsloe srloe lsroe slroe oresl roesl oersl eorsl reosl erosl orsel rosel osrel sorel rsoel sroel oesrl eosrl oserl soerl esorl seorl resol ersol rseol sreol esrol serol olesr loesr oelsr eolsr leosr elosr olser loser osler soler lsoer sloer oeslr eoslr oselr soelr esolr seolr lesor elsor lseor sleor eslor selor rleso lreso relso erlso lerso elrso rlseo lrseo rsleo srleo lsreo slreo reslo erslo rselo srelo esrlo serlo lesro elsro lsero slero eslro selro
Note: these 'words' (valid or invalid) are all the permutations of the word orles. These words are obtained by scrambling the letters in orles.