merde emrde mrede rmede ermde remde medre emdre mdere dmere edmre demre mrdee rmdee mdree dmree rdmee drmee erdme redme edrme derme rdeme dreme mered emred mreed rmeed ermed remed meerd emerd meerd emerd eemrd eemrd mreed rmeed mered emred remed ermed eremd reemd eermd eermd reemd eremd meder emder mdeer dmeer edmer demer meedr emedr meedr emedr eemdr eemdr mdeer dmeer meder emder demer edmer edemr deemr eedmr eedmr deemr edemr mrdee rmdee mdree dmree rdmee drmee mrede rmede merde emrde remde ermde mdere dmere medre emdre demre edmre rdeme dreme redme erdme derme edrme erdem redem edrem derem rdeem dreem eredm reedm eerdm eerdm reedm eredm ederm deerm eedrm eedrm deerm ederm rdeem dreem redem erdem derem edrem
Note: these 'words' (valid or invalid) are all the permutations of the word merde. These words are obtained by scrambling the letters in merde.