scrar csrar srcar rscar crsar rcsar scarr csarr sacrr ascrr casrr acsrr sracr rsacr sarcr asrcr rascr arscr crasr rcasr carsr acrsr racsr arcsr scrra csrra srcra rscra crsra rcsra scrra csrra srcra rscra crsra rcsra srrca rsrca srrca rsrca rrsca rrsca crrsa rcrsa crrsa rcrsa rrcsa rrcsa scarr csarr sacrr ascrr casrr acsrr scrar csrar srcar rscar crsar rcsar sarcr asrcr sracr rsacr arscr rascr carsr acrsr crasr rcasr arcsr racsr srarc rsarc sarrc asrrc rasrc arsrc srrac rsrac srrac rsrac rrsac rrsac sarrc asrrc srarc rsarc arsrc rasrc rarsc arrsc rrasc rrasc arrsc rarsc crars rcars carrs acrrs racrs arcrs crras rcras crras rcras rrcas rrcas carrs acrrs crars rcars arcrs racrs rarcs arrcs rracs rracs arrcs rarcs
Note: these 'words' (valid or invalid) are all the permutations of the word scrar. These words are obtained by scrambling the letters in scrar.