beyw ebyw byew ybew eybw yebw bewy ebwy bwey wbey ewby weby bywe ybwe bwye wbye ywbe wybe eywb yewb ewyb weyb yweb wyeb
Note: these 'words' (valid or invalid) are all the permutations of the word beyw. These words are obtained by scrambling the letters in beyw.