ecdea cedea edcea decea cdeea dceea eceda ceeda eecda eecda ceeda eceda edeca deeca eedca eedca deeca edeca cdeea dceea cedea ecdea decea edcea ecdae cedae edcae decae cdeae dceae ecade ceade eacde aecde caede acede edace deace eadce aedce daece adece cdaee dcaee cadee acdee dacee adcee ecead ceead eecad eecad ceead ecead ecaed ceaed eaced aeced caeed aceed eeacd eeacd eaecd aeecd eaecd aeecd ceaed ecaed caeed aceed eaced aeced edeac deeac eedac eedac deeac edeac edaec deaec eadec aedec daeec adeec eeadc eeadc eaedc aeedc eaedc aeedc deaec edaec daeec adeec eadec aedec cdeae dceae cedae ecdae decae edcae cdaee dcaee cadee acdee dacee adcee ceade ecade caede acede eacde aecde deace edace daece adece eadce aedce
Note: these 'words' (valid or invalid) are all the permutations of the word ecdea. These words are obtained by scrambling the letters in ecdea.