bjws jbws bwjs wbjs jwbs wjbs bjsw jbsw bsjw sbjw jsbw sjbw bwsj wbsj bswj sbwj wsbj swbj jwsb wjsb jswb sjwb wsjb swjb
Note: these 'words' (valid or invalid) are all the permutations of the word bjws. These words are obtained by scrambling the letters in bjws.