undoes nudoes udnoes dunoes nduoes dnuoes unodes nuodes uondes oundes noudes onudes udones duones uodnes oudnes dounes odunes ndoues dnoues nodues ondues donues odnues undeos nudeos udneos duneos ndueos dnueos unedos nuedos uendos eundos neudos enudos udenos duenos uednos eudnos deunos edunos ndeuos dneuos neduos enduos denuos ednuos unoeds nuoeds uoneds ouneds noueds onueds uneods nueods uenods eunods neuods enuods uoends ouends ueonds euonds oeunds eounds noeuds oneuds neouds enouds oenuds eonuds udoens duoens uodens oudens douens oduens udeons dueons uedons eudons deuons eduons uoedns ouedns ueodns euodns oeudns eoudns doeuns odeuns deouns edouns oeduns eoduns ndoeus dnoeus nodeus ondeus doneus odneus ndeous dneous nedous endous denous ednous noedus onedus neodus enodus oendus eondus doenus odenus deonus edonus oednus eodnus undose nudose udnose dunose nduose dnuose unodse nuodse uondse oundse noudse onudse udonse duonse uodnse oudnse dounse odunse ndouse dnouse noduse onduse donuse odnuse undsoe nudsoe udnsoe dunsoe ndusoe dnusoe unsdoe nusdoe usndoe sundoe nsudoe snudoe udsnoe dusnoe usdnoe sudnoe dsunoe sdunoe ndsuoe dnsuoe nsduoe snduoe dsnuoe sdnuoe unosde nuosde uonsde ounsde nousde onusde unsode nusode usnode sunode nsuode snuode uosnde ousnde usonde suonde osunde sounde nosude onsude nsoude snoude osnude sonude udosne duosne uodsne oudsne dousne odusne udsone dusone usdone sudone dsuone sduone uosdne ousdne usodne suodne osudne soudne dosune odsune dsoune sdoune osdune sodune ndosue dnosue nodsue ondsue donsue odnsue ndsoue dnsoue nsdoue sndoue dsnoue sdnoue nosdue onsdue nsodue snodue osndue sondue dosnue odsnue dsonue sdonue osdnue sodnue undeso nudeso udneso duneso ndueso dnueso unedso nuedso uendso eundso neudso enudso udenso duenso uednso eudnso deunso edunso ndeuso dneuso neduso enduso denuso ednuso undseo nudseo udnseo dunseo nduseo dnuseo unsdeo nusdeo usndeo sundeo nsudeo snudeo udsneo dusneo usdneo sudneo dsuneo sduneo ndsueo dnsueo nsdueo sndueo dsnueo sdnueo unesdo nuesdo uensdo eunsdo neusdo enusdo unsedo nusedo usnedo sunedo nsuedo snuedo uesndo eusndo usendo suendo esundo seundo nesudo ensudo nseudo sneudo esnudo senudo udesno duesno uedsno eudsno deusno edusno udseno duseno usdeno sudeno dsueno sdueno uesdno eusdno usedno suedno esudno seudno desuno edsuno dseuno sdeuno esduno seduno ndesuo dnesuo nedsuo endsuo densuo ednsuo ndseuo dnseuo nsdeuo sndeuo dsneuo sdneuo nesduo ensduo nseduo sneduo esnduo senduo desnuo edsnuo dsenuo sdenuo esdnuo sednuo unoesd nuoesd uonesd ounesd nouesd onuesd uneosd nueosd uenosd eunosd neuosd enuosd uoensd ouensd ueonsd euonsd oeunsd eounsd noeusd oneusd neousd enousd oenusd eonusd unosed nuosed uonsed ounsed noused onused unsoed nusoed usnoed sunoed nsuoed snuoed uosned ousned usoned suoned osuned souned nosued onsued nsoued snoued osnued sonued unesod nuesod uensod eunsod neusod enusod unseod nuseod usneod suneod nsueod snueod uesnod eusnod usenod suenod esunod seunod nesuod ensuod nseuod sneuod esnuod senuod uoesnd ouesnd ueosnd euosnd oeusnd eousnd uosend ousend usoend suoend osuend souend uesond eusond useond sueond esuond seuond oesund eosund oseund soeund esound seound noesud onesud neosud enosud oensud eonsud noseud onseud nsoeud snoeud osneud soneud nesoud ensoud nseoud sneoud esnoud senoud oesnud eosnud osenud soenud esonud seonud udoesn duoesn uodesn oudesn douesn oduesn udeosn dueosn uedosn eudosn deuosn eduosn uoedsn ouedsn ueodsn euodsn oeudsn eoudsn doeusn odeusn deousn edousn oedusn eodusn udosen duosen uodsen oudsen dousen odusen udsoen dusoen usdoen sudoen dsuoen sduoen uosden ousden usoden suoden osuden souden dosuen odsuen dsouen sdouen osduen soduen udeson dueson uedson eudson deuson eduson udseon duseon usdeon sudeon dsueon sdueon uesdon eusdon usedon suedon esudon seudon desuon edsuon dseuon sdeuon esduon seduon uoesdn ouesdn ueosdn euosdn oeusdn eousdn uosedn ousedn usoedn suoedn osuedn souedn uesodn eusodn useodn sueodn esuodn seuodn oesudn eosudn oseudn soeudn esoudn seoudn doesun odesun deosun edosun oedsun eodsun doseun odseun dsoeun sdoeun osdeun sodeun desoun edsoun dseoun sdeoun esdoun sedoun oesdun eosdun osedun soedun esodun seodun ndoesu dnoesu nodesu ondesu donesu odnesu ndeosu dneosu nedosu endosu denosu ednosu noedsu onedsu neodsu enodsu oendsu eondsu doensu odensu deonsu edonsu oednsu eodnsu ndoseu dnoseu nodseu ondseu donseu odnseu ndsoeu dnsoeu nsdoeu sndoeu dsnoeu sdnoeu nosdeu onsdeu nsodeu snodeu osndeu sondeu dosneu odsneu dsoneu sdoneu osdneu sodneu ndesou dnesou nedsou endsou densou ednsou ndseou dnseou nsdeou sndeou dsneou sdneou nesdou ensdou nsedou snedou esndou sendou desnou edsnou dsenou sdenou esdnou sednou noesdu onesdu neosdu enosdu oensdu eonsdu nosedu onsedu nsoedu snoedu osnedu sonedu nesodu ensodu nseodu sneodu esnodu senodu oesndu eosndu osendu soendu esondu seondu doesnu odesnu deosnu edosnu oedsnu eodsnu dosenu odsenu dsoenu sdoenu osdenu sodenu desonu edsonu dseonu sdeonu esdonu sedonu oesdnu eosdnu osednu soednu esodnu seodnu
Note: these 'words' (valid or invalid) are all the permutations of the word undoes. These words are obtained by scrambling the letters in undoes.