pures upres prues rpues urpes rupes puers upers peurs epurs ueprs euprs preus rpeus perus eprus repus erpus ureps rueps uerps eurps reups erups purse uprse pruse rpuse urpse rupse pusre upsre psure spure uspre supre prsue rpsue psrue sprue rspue srpue urspe ruspe usrpe surpe rsupe srupe puesr upesr peusr epusr uepsr eupsr puser upser psuer spuer usper super pesur epsur pseur speur espur sepur uespr euspr usepr suepr esupr seupr presu rpesu persu eprsu repsu erpsu prseu rpseu psreu spreu rspeu srpeu pesru epsru pseru speru espru sepru respu erspu rsepu srepu esrpu serpu uresp ruesp uersp eursp reusp erusp ursep rusep usrep surep rsuep sruep uesrp eusrp userp suerp esurp seurp resup ersup rseup sreup esrup serup
Note: these 'words' (valid or invalid) are all the permutations of the word pures. These words are obtained by scrambling the letters in pures.