odder doder odder doder ddoer ddoer odedr doedr oeddr eoddr deodr edodr odedr doedr oeddr eoddr deodr edodr ddeor ddeor dedor eddor dedor eddor oddre dodre oddre dodre ddore ddore odrde dorde ordde rodde drode rdode odrde dorde ordde rodde drode rdode ddroe ddroe drdoe rddoe drdoe rddoe oderd doerd oedrd eodrd deord edord odred dored orded roded droed rdoed oerdd eordd oredd roedd erodd reodd derod edrod dreod rdeod erdod redod oderd doerd oedrd eodrd deord edord odred dored orded roded droed rdoed oerdd eordd oredd roedd erodd reodd derod edrod dreod rdeod erdod redod ddero ddero dedro eddro dedro eddro ddreo ddreo drdeo rddeo drdeo rddeo derdo edrdo dredo rdedo erddo reddo derdo edrdo dredo rdedo erddo reddo
Note: these 'words' (valid or invalid) are all the permutations of the word odder. These words are obtained by scrambling the letters in odder.