scads csads sacds ascds casds acsds scdas csdas sdcas dscas cdsas dcsas sadcs asdcs sdacs dsacs adscs dascs cadss acdss cdass dcass adcss dacss scasd csasd sacsd ascsd cassd acssd scsad cssad sscad sscad cssad scsad sascd asscd ssacd ssacd asscd sascd cassd acssd csasd scasd ascsd sacsd scdsa csdsa sdcsa dscsa cdssa dcssa scsda cssda sscda sscda cssda scsda sdsca dssca ssdca ssdca dssca sdsca cdssa dcssa csdsa scdsa dscsa sdcsa sadsc asdsc sdasc dsasc adssc dassc sasdc assdc ssadc ssadc assdc sasdc sdsac dssac ssdac ssdac dssac sdsac adssc dassc asdsc sadsc dsasc sdasc cadss acdss cdass dcass adcss dacss casds acsds csads scads ascds sacds cdsas dcsas csdas scdas dscas sdcas adscs dascs asdcs sadcs dsacs sdacs
Note: these 'words' (valid or invalid) are all the permutations of the word scads. These words are obtained by scrambling the letters in scads.