doner odner dnoer ndoer onder noder doenr odenr deonr edonr oednr eodnr dneor ndeor denor ednor nedor endor onedr noedr oendr eondr neodr enodr donre odnre dnore ndore ondre nodre dorne odrne drone rdone ordne rodne dnroe ndroe drnoe rdnoe nrdoe rndoe onrde norde ornde ronde nrode rnode doern odern deorn edorn oedrn eodrn doren odren droen rdoen orden roden deron edron dreon rdeon erdon redon oerdn eordn oredn roedn erodn reodn dnero ndero denro ednro nedro endro dnreo ndreo drneo rdneo nrdeo rndeo derno edrno dreno rdeno erdno redno nerdo enrdo nredo rnedo erndo rendo onerd noerd oenrd eonrd neord enord onred nored orned roned nroed rnoed oernd eornd orend roend erond reond nerod enrod nreod rneod ernod renod
Note: these 'words' (valid or invalid) are all the permutations of the word doner. These words are obtained by scrambling the letters in doner.