races arces rcaes craes acres cares raecs arecs reacs eracs aercs earcs rceas creas recas ercas ceras ecras acers caers aecrs eacrs cears ecars racse arcse rcase crase acrse carse rasce arsce rsace srace asrce sarce rcsae crsae rscae srcae csrae scrae acsre casre ascre sacre csare scare raesc aresc reasc erasc aersc earsc rasec arsec rsaec sraec asrec sarec resac ersac rseac sreac esrac serac aesrc easrc aserc saerc esarc searc rcesa cresa recsa ercsa cersa ecrsa rcsea crsea rscea srcea csrea screa resca ersca rseca sreca esrca serca cesra ecsra csera scera escra secra acesr caesr aecsr eacsr ceasr ecasr acser caser ascer sacer csaer scaer aescr eascr asecr saecr esacr seacr cesar ecsar csear scear escar secar
Note: these 'words' (valid or invalid) are all the permutations of the word races. These words are obtained by scrambling the letters in races.