rausg arusg ruasg urasg aursg uarsg rasug arsug rsaug sraug asrug sarug rusag ursag rsuag sruag usrag surag ausrg uasrg asurg saurg usarg suarg raugs arugs ruags urags aurgs uargs ragus argus rgaus graus agrus garus rugas urgas rguas gruas ugras guras augrs uagrs agurs gaurs ugars guars rasgu arsgu rsagu sragu asrgu sargu ragsu argsu rgasu grasu agrsu garsu rsgau srgau rgsau grsau sgrau gsrau asgru sagru agsru gasru sgaru gsaru rusga ursga rsuga sruga usrga surga rugsa urgsa rgusa grusa ugrsa gursa rsgua srgua rgsua grsua sgrua gsrua usgra sugra ugsra gusra sgura gsura ausgr uasgr asugr saugr usagr suagr augsr uagsr agusr gausr ugasr guasr asgur sagur agsur gasur sgaur gsaur usgar sugar ugsar gusar sguar gsuar
Note: these 'words' (valid or invalid) are all the permutations of the word rausg. These words are obtained by scrambling the letters in rausg.