turrs utrrs trurs rturs urtrs rutrs turrs utrrs trurs rturs urtrs rutrs trrus rtrus trrus rtrus rrtus rrtus urrts rurts urrts rurts rruts rruts tursr utrsr trusr rtusr urtsr rutsr tusrr utsrr tsurr sturr ustrr sutrr trsur rtsur tsrur strur rstur srtur urstr rustr usrtr surtr rsutr srutr tursr utrsr trusr rtusr urtsr rutsr tusrr utsrr tsurr sturr ustrr sutrr trsur rtsur tsrur strur rstur srtur urstr rustr usrtr surtr rsutr srutr trrsu rtrsu trrsu rtrsu rrtsu rrtsu trsru rtsru tsrru strru rstru srtru trsru rtsru tsrru strru rstru srtru rrstu rrstu rsrtu srrtu rsrtu srrtu urrst rurst urrst rurst rrust rrust ursrt rusrt usrrt surrt rsurt srurt ursrt rusrt usrrt surrt rsurt srurt rrsut rrsut rsrut srrut rsrut srrut
Note: these 'words' (valid or invalid) are all the permutations of the word turrs. These words are obtained by scrambling the letters in turrs.