doyen odyen dyoen ydoen oyden yoden doeyn odeyn deoyn edoyn oedyn eodyn dyeon ydeon deyon edyon yedon eydon oyedn yoedn oeydn eoydn yeodn eyodn doyne odyne dyone ydone oydne yodne donye odnye dnoye ndoye ondye nodye dynoe ydnoe dnyoe ndyoe yndoe nydoe oynde yonde onyde noyde ynode nyode doeny odeny deony edony oedny eodny doney odney dnoey ndoey ondey nodey denoy ednoy dneoy ndeoy endoy nedoy oendy eondy onedy noedy enody neody dyeno ydeno deyno edyno yedno eydno dyneo ydneo dnyeo ndyeo yndeo nydeo denyo ednyo dneyo ndeyo endyo nedyo yendo eyndo ynedo nyedo enydo neydo oyend yoend oeynd eoynd yeond eyond oyned yoned onyed noyed ynoed nyoed oenyd eonyd oneyd noeyd enoyd neoyd yenod eynod yneod nyeod enyod neyod
Note: these 'words' (valid or invalid) are all the permutations of the word doyen. These words are obtained by scrambling the letters in doyen.