sarus asrus sraus rsaus arsus rasus saurs asurs suars usars ausrs uasrs sruas rsuas suras usras rusas ursas aruss rauss aurss uarss ruass urass sarsu asrsu srasu rsasu arssu rassu sasru assru ssaru ssaru assru sasru srsau rssau ssrau ssrau rssau srsau arssu rassu asrsu sarsu rsasu srasu sausr asusr suasr usasr aussr uassr sasur assur ssaur ssaur assur sasur susar ussar ssuar ssuar ussar susar aussr uassr asusr sausr usasr suasr srusa rsusa sursa usrsa russa urssa srsua rssua ssrua ssrua rssua srsua susra ussra ssura ssura ussra susra russa urssa rsusa srusa usrsa sursa aruss rauss aurss uarss ruass urass arsus rasus asrus sarus rsaus sraus ausrs uasrs asurs saurs usars suars rusas ursas rsuas sruas usras suras
Note: these 'words' (valid or invalid) are all the permutations of the word sarus. These words are obtained by scrambling the letters in sarus.