lours olurs luors ulors oulrs uolrs lorus olrus lrous rlous orlus rolus luros ulros lruos rluos urlos rulos ourls uorls oruls rouls urols ruols lousr olusr luosr ulosr oulsr uolsr losur olsur lsour slour oslur solur lusor ulsor lsuor sluor uslor sulor ouslr uoslr osulr soulr usolr suolr lorsu olrsu lrosu rlosu orlsu rolsu losru olsru lsoru sloru oslru solru lrsou rlsou lsrou slrou rslou srlou orslu roslu osrlu sorlu rsolu srolu lurso ulrso lruso rluso urlso rulso lusro ulsro lsuro sluro uslro sulro lrsuo rlsuo lsruo slruo rsluo srluo urslo ruslo usrlo surlo rsulo srulo oursl uorsl orusl rousl urosl ruosl ousrl uosrl osurl sourl usorl suorl orsul rosul osrul sorul rsoul sroul ursol rusol usrol surol rsuol sruol
Note: these 'words' (valid or invalid) are all the permutations of the word lours. These words are obtained by scrambling the letters in lours.