diode idode doide odide iodde oidde didoe iddoe ddioe ddioe iddoe didoe dodie oddie ddoie ddoie oddie dodie iodde oidde idode diode odide doide dioed idoed doied odied ioded oided dieod ideod deiod ediod iedod eidod doeid odeid deoid edoid oedid eodid ioedd oiedd ieodd eiodd oeidd eoidd dideo iddeo ddieo ddieo iddeo dideo diedo idedo deido edido ieddo eiddo ddeio ddeio dedio eddio dedio eddio idedo diedo ieddo eiddo deido edido dodei oddei ddoei ddoei oddei dodei doedi odedi deodi edodi oeddi eoddi ddeoi ddeoi dedoi eddoi dedoi eddoi odedi doedi oeddi eoddi deodi edodi ioded oided idoed dioed odied doied ioedd oiedd ieodd eiodd oeidd eoidd ideod dieod iedod eidod deiod ediod odeid doeid oedid eodid deoid edoid
Note: these 'words' (valid or invalid) are all the permutations of the word diode. These words are obtained by scrambling the letters in diode.