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