tours oturs tuors utors outrs uotrs torus otrus trous rtous ortus rotus turos utros truos rtuos urtos rutos ourts uorts oruts routs urots ruots tousr otusr tuosr utosr outsr uotsr tosur otsur tsour stour ostur sotur tusor utsor tsuor stuor ustor sutor oustr uostr osutr soutr usotr suotr torsu otrsu trosu rtosu ortsu rotsu tosru otsru tsoru storu ostru sotru trsou rtsou tsrou strou rstou srtou orstu rostu osrtu sortu rsotu srotu turso utrso truso rtuso urtso rutso tusro utsro tsuro sturo ustro sutro trsuo rtsuo tsruo struo rstuo srtuo ursto rusto usrto surto rsuto sruto ourst uorst orust roust urost ruost ousrt uosrt osurt sourt usort suort orsut rosut osrut sorut rsout srout ursot rusot usrot surot rsuot sruot
Note: these 'words' (valid or invalid) are all the permutations of the word tours. These words are obtained by scrambling the letters in tours.