wrees rwees weres ewres rewes erwes wrees rwees weres ewres rewes erwes weers ewers weers ewers eewrs eewrs reews erews reews erews eerws eerws wrese rwese werse ewrse rewse erwse wrsee rwsee wsree swree rswee srwee wesre ewsre wsere swere eswre sewre reswe erswe rsewe srewe esrwe serwe wrese rwese werse ewrse rewse erwse wrsee rwsee wsree swree rswee srwee wesre ewsre wsere swere eswre sewre reswe erswe rsewe srewe esrwe serwe weesr ewesr weesr ewesr eewsr eewsr weser ewser wseer sweer eswer sewer weser ewser wseer sweer eswer sewer eeswr eeswr esewr seewr esewr seewr reesw eresw reesw eresw eersw eersw resew ersew rseew sreew esrew serew resew ersew rseew sreew esrew serew eesrw eesrw eserw seerw eserw seerw
Note: these 'words' (valid or invalid) are all the permutations of the word wrees. These words are obtained by scrambling the letters in wrees.