ouser uoser osuer souer usoer suoer ouesr uoesr oeusr eousr ueosr euosr oseur soeur oesur eosur seour esour useor sueor uesor eusor seuor esuor ousre uosre osure soure usore suore ourse uorse oruse rouse urose ruose osrue sorue orsue rosue sroue rsoue usroe suroe ursoe rusoe sruoe rsuoe ouers uoers oeurs eours ueors euors oures uores orues roues uroes ruoes oerus eorus oreus roeus erous reous ueros euros ureos rueos eruos reuos oseru soeru oesru eosru seoru esoru osreu soreu orseu roseu sroeu rsoeu oersu eorsu oresu roesu erosu reosu serou esrou sreou rseou ersou resou usero suero uesro eusro seuro esuro usreo sureo urseo ruseo srueo rsueo uerso eurso ureso rueso eruso reuso seruo esruo sreuo rseuo ersuo resuo
Note: these 'words' (valid or invalid) are all the permutations of the word ouser. These words are obtained by scrambling the letters in ouser.