rover orver rvoer vroer ovrer vorer roevr orevr reovr erovr oervr eorvr rveor vreor revor ervor veror evror overr voerr oevrr eovrr veorr evorr rovre orvre rvore vrore ovrre vorre rorve orrve rrove rrove orrve rorve rvroe vrroe rrvoe rrvoe vrroe rvroe ovrre vorre orvre rovre vrore rvore roerv orerv reorv erorv oerrv eorrv rorev orrev rroev rroev orrev rorev rerov errov rreov rreov errov rerov oerrv eorrv orerv roerv erorv reorv rvero vrero revro ervro verro evrro rvreo vrreo rrveo rrveo vrreo rvreo rervo errvo rrevo rrevo errvo rervo verro evrro vrero rvero ervro revro overr voerr oevrr eovrr veorr evorr ovrer vorer orver rover vroer rvoer oervr eorvr orevr roevr erovr reovr veror evror vreor rveor ervor revor
Note: these 'words' (valid or invalid) are all the permutations of the word rover. These words are obtained by scrambling the letters in rover.