deadd edadd daedd adedd eaddd aeddd dedad eddad ddead ddead eddad dedad daded added ddaed ddaed added daded eaddd aeddd edadd deadd adedd daedd deadd edadd daedd adedd eaddd aeddd dedad eddad ddead ddead eddad dedad daded added ddaed ddaed added daded eaddd aeddd edadd deadd adedd daedd dedda eddda ddeda ddeda eddda dedda dedda eddda ddeda ddeda eddda dedda dddea dddea dddea dddea dddea dddea eddda dedda eddda dedda ddeda ddeda dadde addde ddade ddade addde dadde dadde addde ddade ddade addde dadde dddae dddae dddae dddae dddae dddae addde dadde addde dadde ddade ddade eaddd aeddd edadd deadd adedd daedd eaddd aeddd edadd deadd adedd daedd eddad dedad eddad dedad ddead ddead added daded added daded ddaed ddaed
Note: these 'words' (valid or invalid) are all the permutations of the word deadd. These words are obtained by scrambling the letters in deadd.