resus ersus rseus sreus esrus serus reuss eruss ruess uress eurss uerss rsues srues ruses urses sures usres esurs seurs eusrs uesrs suers users ressu erssu rsesu sresu esrsu sersu ressu erssu rsesu sresu esrsu sersu rsseu srseu rsseu srseu ssreu ssreu essru sesru essru sesru sseru sseru reuss eruss ruess uress eurss uerss resus ersus rseus sreus esrus serus ruses urses rsues srues usres sures eusrs uesrs esurs seurs users suers rsuse sruse russe ursse surse usrse rssue srsue rssue srsue ssrue ssrue russe ursse rsuse sruse usrse surse susre ussre ssure ssure ussre susre esusr seusr eussr uessr suesr usesr essur sesur essur sesur sseur sseur eussr uessr esusr seusr usesr suesr suser usser ssuer ssuer usser suser
Note: these 'words' (valid or invalid) are all the permutations of the word resus. These words are obtained by scrambling the letters in resus.