refold erfold rfeold freold efrold ferold reofld erofld roefld orefld eorfld oerfld rfoeld froeld rofeld orfeld foreld ofreld eforld feorld eofrld oefrld foerld oferld reflod erflod rfelod frelod efrlod ferlod relfod erlfod rlefod lrefod elrfod lerfod rfleod frleod rlfeod lrfeod flreod lfreod eflrod felrod elfrod lefrod flerod lferod reolfd erolfd roelfd orelfd eorlfd oerlfd relofd erlofd rleofd lreofd elrofd lerofd rolefd orlefd rloefd lroefd olrefd lorefd eolrfd oelrfd elorfd leorfd olerfd loerfd rfoled froled rofled orfled forled ofrled rfloed frloed rlfoed lrfoed flroed lfroed rolfed orlfed rlofed lrofed olrfed lorfed folred oflred flored lfored olfred lofred efolrd feolrd eoflrd oeflrd foelrd ofelrd eflord felord elford leford fleord lfeord eolfrd oelfrd elofrd leofrd olefrd loefrd folerd oflerd floerd lfoerd olferd loferd refodl erfodl rfeodl freodl efrodl ferodl reofdl erofdl roefdl orefdl eorfdl oerfdl rfoedl froedl rofedl orfedl foredl ofredl efordl feordl eofrdl oefrdl foerdl oferdl refdol erfdol rfedol fredol efrdol ferdol redfol erdfol rdefol drefol edrfol derfol rfdeol frdeol rdfeol drfeol fdreol dfreol efdrol fedrol edfrol defrol fderol dferol reodfl erodfl roedfl oredfl eordfl oerdfl redofl erdofl rdeofl dreofl edrofl derofl rodefl ordefl rdoefl droefl odrefl dorefl eodrfl oedrfl edorfl deorfl oderfl doerfl rfodel frodel rofdel orfdel fordel ofrdel rfdoel frdoel rdfoel drfoel fdroel dfroel rodfel ordfel rdofel drofel odrfel dorfel fodrel ofdrel fdorel dforel odfrel dofrel efodrl feodrl eofdrl oefdrl foedrl ofedrl efdorl fedorl edforl deforl fdeorl dfeorl eodfrl oedfrl edofrl deofrl odefrl doefrl foderl ofderl fdoerl dfoerl odferl doferl refldo erfldo rfeldo freldo efrldo ferldo relfdo erlfdo rlefdo lrefdo elrfdo lerfdo rfledo frledo rlfedo lrfedo flredo lfredo eflrdo felrdo elfrdo lefrdo flerdo lferdo refdlo erfdlo rfedlo fredlo efrdlo ferdlo redflo erdflo rdeflo dreflo edrflo derflo rfdelo frdelo rdfelo drfelo fdrelo dfrelo efdrlo fedrlo edfrlo defrlo fderlo dferlo reldfo erldfo rledfo lredfo elrdfo lerdfo redlfo erdlfo rdelfo drelfo edrlfo derlfo rldefo lrdefo rdlefo drlefo ldrefo dlrefo eldrfo ledrfo edlrfo delrfo lderfo dlerfo rfldeo frldeo rlfdeo lrfdeo flrdeo lfrdeo rfdleo frdleo rdfleo drfleo fdrleo dfrleo rldfeo lrdfeo rdlfeo drlfeo ldrfeo dlrfeo fldreo lfdreo fdlreo dflreo ldfreo dlfreo efldro feldro elfdro lefdro fledro lfedro efdlro fedlro edflro deflro fdelro dfelro eldfro ledfro edlfro delfro ldefro dlefro fldero lfdero fdlero dflero ldfero dlfero reoldf eroldf roeldf oreldf eorldf oerldf relodf erlodf rleodf lreodf elrodf lerodf roledf orledf rloedf lroedf olredf loredf eolrdf oelrdf elordf leordf olerdf loerdf reodlf erodlf roedlf oredlf eordlf oerdlf redolf erdolf rdeolf dreolf edrolf derolf rodelf ordelf rdoelf droelf odrelf dorelf eodrlf oedrlf edorlf deorlf oderlf doerlf reldof erldof rledof lredof elrdof lerdof redlof erdlof rdelof drelof edrlof derlof rldeof lrdeof rdleof drleof ldreof dlreof eldrof ledrof edlrof delrof lderof dlerof roldef orldef rlodef lrodef olrdef lordef rodlef ordlef rdolef drolef odrlef dorlef rldoef lrdoef rdloef drloef ldroef dlroef oldref lodref odlref dolref ldoref dloref eoldrf oeldrf elodrf leodrf oledrf loedrf eodlrf oedlrf edolrf deolrf odelrf doelrf eldorf ledorf edlorf delorf ldeorf dleorf olderf loderf odlerf dolerf ldoerf dloerf rfolde frolde roflde orflde forlde ofrlde rflode frlode rlfode lrfode flrode lfrode rolfde orlfde rlofde lrofde olrfde lorfde folrde oflrde florde lforde olfrde lofrde rfodle frodle rofdle orfdle fordle ofrdle rfdole frdole rdfole drfole fdrole dfrole rodfle ordfle rdofle drofle odrfle dorfle fodrle ofdrle fdorle dforle odfrle dofrle rfldoe frldoe rlfdoe lrfdoe flrdoe lfrdoe rfdloe frdloe rdfloe drfloe fdrloe dfrloe rldfoe lrdfoe rdlfoe drlfoe ldrfoe dlrfoe fldroe lfdroe fdlroe dflroe ldfroe dlfroe roldfe orldfe rlodfe lrodfe olrdfe lordfe rodlfe ordlfe rdolfe drolfe odrlfe dorlfe rldofe lrdofe rdlofe drlofe ldrofe dlrofe oldrfe lodrfe odlrfe dolrfe ldorfe dlorfe foldre ofldre flodre lfodre olfdre lofdre fodlre ofdlre fdolre dfolre odflre doflre fldore lfdore fdlore dflore ldfore dlfore oldfre lodfre odlfre dolfre ldofre dlofre efoldr feoldr eofldr oefldr foeldr ofeldr eflodr felodr elfodr lefodr fleodr lfeodr eolfdr oelfdr elofdr leofdr olefdr loefdr foledr ofledr floedr lfoedr olfedr lofedr efodlr feodlr eofdlr oefdlr foedlr ofedlr efdolr fedolr edfolr defolr fdeolr dfeolr eodflr oedflr edoflr deoflr odeflr doeflr fodelr ofdelr fdoelr dfoelr odfelr dofelr efldor feldor elfdor lefdor fledor lfedor efdlor fedlor edflor deflor fdelor dfelor eldfor ledfor edlfor delfor ldefor dlefor fldeor lfdeor fdleor dfleor ldfeor dlfeor eoldfr oeldfr elodfr leodfr oledfr loedfr eodlfr oedlfr edolfr deolfr odelfr doelfr eldofr ledofr edlofr delofr ldeofr dleofr oldefr lodefr odlefr dolefr ldoefr dloefr folder oflder floder lfoder olfder lofder fodler ofdler fdoler dfoler odfler dofler fldoer lfdoer fdloer dfloer ldfoer dlfoer oldfer lodfer odlfer dolfer ldofer dlofer
Note: these 'words' (valid or invalid) are all the permutations of the word refold. These words are obtained by scrambling the letters in refold.