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