auris uaris aruis rauis urais ruais auirs uairs aiurs iaurs uiars iuars arius raius airus iarus riaus iraus urias ruias uiras iuras riuas iruas aursi uarsi arusi rausi urasi ruasi ausri uasri asuri sauri usari suari arsui rasui asrui sarui rsaui sraui ursai rusai usrai surai rsuai sruai auisr uaisr aiusr iausr uiasr iuasr ausir uasir asuir sauir usair suair aisur iasur asiur saiur isaur siaur uisar iusar usiar suiar isuar siuar arisu raisu airsu iarsu riasu irasu arsiu rasiu asriu sariu rsaiu sraiu aisru iasru asiru sairu isaru siaru risau irsau rsiau sriau israu sirau urisa ruisa uirsa iursa riusa irusa ursia rusia usria suria rsuia sruia uisra iusra usira suira isura siura risua irsua rsiua sriua isrua sirua
Note: these 'words' (valid or invalid) are all the permutations of the word auris. These words are obtained by scrambling the letters in auris.