wemb ewmb wmeb mweb emwb mewb webm ewbm wbem bwem ebwm bewm wmbe mwbe wbme bwme mbwe bmwe embw mebw ebmw bemw mbew bmew
Note: these 'words' (valid or invalid) are all the permutations of the word wemb. These words are obtained by scrambling the letters in wemb.