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