bemud ebmud bmeud mbeud embud mebud beumd ebumd buemd ubemd eubmd uebmd bmued mbued bumed ubmed mubed umbed emubd meubd eumbd uembd muebd umebd bemdu ebmdu bmedu mbedu embdu mebdu bedmu ebdmu bdemu dbemu edbmu debmu bmdeu mbdeu bdmeu dbmeu mdbeu dmbeu emdbu medbu edmbu dembu mdebu dmebu beudm ebudm buedm ubedm eubdm uebdm bedum ebdum bdeum dbeum edbum debum budem ubdem bduem dbuem udbem dubem eudbm uedbm edubm deubm udebm duebm bmude mbude bumde ubmde mubde umbde bmdue mbdue bdmue dbmue mdbue dmbue budme ubdme bdume dbume udbme dubme mudbe umdbe mdube dmube udmbe dumbe emudb meudb eumdb uemdb muedb umedb emdub medub edmub demub mdeub dmeub eudmb uedmb edumb deumb udemb duemb mudeb umdeb mdueb dmueb udmeb dumeb
Note: these 'words' (valid or invalid) are all the permutations of the word bemud. These words are obtained by scrambling the letters in bemud.