brews rbews berws ebrws rebws erbws brwes rbwes bwres wbres rwbes wrbes bewrs ebwrs bwers wbers ewbrs webrs rewbs erwbs rwebs wrebs ewrbs werbs bresw rbesw bersw ebrsw rebsw erbsw brsew rbsew bsrew sbrew rsbew srbew besrw ebsrw bserw sberw esbrw sebrw resbw ersbw rsebw srebw esrbw serbw brwse rbwse bwrse wbrse rwbse wrbse brswe rbswe bsrwe sbrwe rsbwe srbwe bwsre wbsre bswre sbwre wsbre swbre rwsbe wrsbe rswbe srwbe wsrbe swrbe bewsr ebwsr bwesr wbesr ewbsr websr beswr ebswr bsewr sbewr esbwr sebwr bwser wbser bswer sbwer wsber swber ewsbr wesbr eswbr sewbr wsebr swebr rewsb erwsb rwesb wresb ewrsb wersb reswb erswb rsewb srewb esrwb serwb rwseb wrseb rsweb srweb wsreb swreb ewsrb wesrb eswrb sewrb wserb swerb
Note: these 'words' (valid or invalid) are all the permutations of the word brews. These words are obtained by scrambling the letters in brews.