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