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