coden ocden cdoen dcoen odcen docen coedn ocedn ceodn ecodn oecdn eocdn cdeon dceon cedon ecdon decon edcon odecn doecn oedcn eodcn deocn edocn codne ocdne cdone dcone odcne docne conde ocnde cnode ncode oncde nocde cdnoe dcnoe cndoe ncdoe dncoe ndcoe odnce donce ondce nodce dnoce ndoce coend ocend ceond econd oecnd eocnd coned ocned cnoed ncoed onced noced cenod ecnod cneod nceod encod necod oencd eoncd onecd noecd enocd neocd cdeno dceno cedno ecdno decno edcno cdneo dcneo cndeo ncdeo dnceo ndceo cendo ecndo cnedo ncedo encdo necdo denco ednco dneco ndeco endco nedco odenc doenc oednc eodnc deonc edonc odnec donec ondec nodec dnoec ndoec oendc eondc onedc noedc enodc neodc denoc ednoc dneoc ndeoc endoc nedoc
Note: these 'words' (valid or invalid) are all the permutations of the word coden. These words are obtained by scrambling the letters in coden.