atswc taswc astwc satwc tsawc stawc atwsc tawsc awtsc watsc twasc wtasc aswtc sawtc awstc wastc swatc wsatc tswac stwac twsac wtsac swtac wstac atscw tascw astcw satcw tsacw stacw atcsw tacsw actsw catsw tcasw ctasw asctw sactw acstw castw scatw csatw tscaw stcaw tcsaw ctsaw sctaw cstaw atwcs tawcs awtcs watcs twacs wtacs atcws tacws actws catws tcaws ctaws awcts wacts acwts cawts wcats cwats twcas wtcas tcwas ctwas wctas cwtas aswct sawct awsct wasct swact wsact ascwt sacwt acswt caswt scawt csawt awcst wacst acwst cawst wcast cwast swcat wscat scwat cswat wcsat cwsat tswca stwca twsca wtsca swtca wstca tscwa stcwa tcswa ctswa sctwa cstwa twcsa wtcsa tcwsa ctwsa wctsa cwtsa swcta wscta scwta cswta wcsta cwsta
Note: these 'words' (valid or invalid) are all the permutations of the word atswc. These words are obtained by scrambling the letters in atswc.