cered ecred creed rceed erced reced ceerd ecerd ceerd ecerd eecrd eecrd creed rceed cered ecred reced erced erecd reecd eercd eercd reecd erecd cerde ecrde crede rcede ercde recde cedre ecdre cdere dcere edcre decre crdee rcdee cdree dcree rdcee drcee erdce redce edrce derce rdece drece ceedr ecedr ceedr ecedr eecdr eecdr ceder ecder cdeer dceer edcer decer ceder ecder cdeer dceer edcer decer eedcr eedcr edecr deecr edecr deecr crede rcede cerde ecrde recde ercde crdee rcdee cdree dcree rdcee drcee cedre ecdre cdere dcere edcre decre redce erdce rdece drece edrce derce eredc reedc eerdc eerdc reedc eredc erdec redec edrec derec rdeec dreec eedrc eedrc ederc deerc ederc deerc redec erdec rdeec dreec edrec derec
Note: these 'words' (valid or invalid) are all the permutations of the word cered. These words are obtained by scrambling the letters in cered.