unbeds nubeds ubneds buneds nbueds bnueds unebds nuebds uenbds eunbds neubds enubds ubends buends uebnds eubnds beunds ebunds nbeuds bneuds nebuds enbuds benuds ebnuds unbdes nubdes ubndes bundes nbudes bnudes undbes nudbes udnbes dunbes ndubes dnubes ubdnes budnes udbnes dubnes bdunes dbunes nbdues bndues ndbues dnbues bdnues dbnues unedbs nuedbs uendbs eundbs neudbs enudbs undebs nudebs udnebs dunebs nduebs dnuebs uednbs eudnbs udenbs duenbs edunbs deunbs nedubs endubs ndeubs dneubs ednubs denubs ubedns buedns uebdns eubdns beudns ebudns ubdens budens udbens dubens bduens dbuens uedbns eudbns udebns duebns edubns deubns beduns ebduns bdeuns dbeuns edbuns debuns nbedus bnedus nebdus enbdus bendus ebndus nbdeus bndeus ndbeus dnbeus bdneus dbneus nedbus endbus ndebus dnebus ednbus denbus bednus ebdnus bdenus dbenus edbnus debnus unbesd nubesd ubnesd bunesd nbuesd bnuesd unebsd nuebsd uenbsd eunbsd neubsd enubsd ubensd buensd uebnsd eubnsd beunsd ebunsd nbeusd bneusd nebusd enbusd benusd ebnusd unbsed nubsed ubnsed bunsed nbused bnused unsbed nusbed usnbed sunbed nsubed snubed ubsned busned usbned subned bsuned sbuned nbsued bnsued nsbued snbued bsnued sbnued unesbd nuesbd uensbd eunsbd neusbd enusbd unsebd nusebd usnebd sunebd nsuebd snuebd uesnbd eusnbd usenbd suenbd esunbd seunbd nesubd ensubd nseubd sneubd esnubd senubd ubesnd buesnd uebsnd eubsnd beusnd ebusnd ubsend busend usbend subend bsuend sbuend uesbnd eusbnd usebnd suebnd esubnd seubnd besund ebsund bseund sbeund esbund sebund nbesud bnesud nebsud enbsud bensud ebnsud nbseud bnseud nsbeud snbeud bsneud sbneud nesbud ensbud nsebud snebud esnbud senbud besnud ebsnud bsenud sbenud esbnud sebnud unbdse nubdse ubndse bundse nbudse bnudse undbse nudbse udnbse dunbse ndubse dnubse ubdnse budnse udbnse dubnse bdunse dbunse nbduse bnduse ndbuse dnbuse bdnuse dbnuse unbsde nubsde ubnsde bunsde nbusde bnusde unsbde nusbde usnbde sunbde nsubde snubde ubsnde busnde usbnde subnde bsunde sbunde nbsude bnsude nsbude snbude bsnude sbnude undsbe nudsbe udnsbe dunsbe ndusbe dnusbe unsdbe nusdbe usndbe sundbe nsudbe snudbe udsnbe dusnbe usdnbe sudnbe dsunbe sdunbe ndsube dnsube nsdube sndube dsnube sdnube ubdsne budsne udbsne dubsne bdusne dbusne ubsdne busdne usbdne subdne bsudne sbudne udsbne dusbne usdbne sudbne dsubne sdubne bdsune dbsune bsdune sbdune dsbune sdbune nbdsue bndsue ndbsue dnbsue bdnsue dbnsue nbsdue bnsdue nsbdue snbdue bsndue sbndue ndsbue dnsbue nsdbue sndbue dsnbue sdnbue bdsnue dbsnue bsdnue sbdnue dsbnue sdbnue unedsb nuedsb uendsb eundsb neudsb enudsb undesb nudesb udnesb dunesb nduesb dnuesb uednsb eudnsb udensb duensb edunsb deunsb nedusb endusb ndeusb dneusb ednusb denusb unesdb nuesdb uensdb eunsdb neusdb enusdb unsedb nusedb usnedb sunedb nsuedb snuedb uesndb eusndb usendb suendb esundb seundb nesudb ensudb nseudb sneudb esnudb senudb undseb nudseb udnseb dunseb nduseb dnuseb unsdeb nusdeb usndeb sundeb nsudeb snudeb udsneb dusneb usdneb sudneb dsuneb sduneb ndsueb dnsueb nsdueb sndueb dsnueb sdnueb uedsnb eudsnb udesnb duesnb edusnb deusnb uesdnb eusdnb usednb suednb esudnb seudnb udsenb dusenb usdenb sudenb dsuenb sduenb edsunb desunb esdunb sedunb dseunb sdeunb nedsub endsub ndesub dnesub ednsub densub nesdub ensdub nsedub snedub esndub sendub ndseub dnseub nsdeub sndeub dsneub sdneub edsnub desnub esdnub sednub dsenub sdenub ubedsn buedsn uebdsn eubdsn beudsn ebudsn ubdesn budesn udbesn dubesn bduesn dbuesn uedbsn eudbsn udebsn duebsn edubsn deubsn bedusn ebdusn bdeusn dbeusn edbusn debusn ubesdn buesdn uebsdn eubsdn beusdn ebusdn ubsedn busedn usbedn subedn bsuedn sbuedn uesbdn eusbdn usebdn suebdn esubdn seubdn besudn ebsudn bseudn sbeudn esbudn sebudn ubdsen budsen udbsen dubsen bdusen dbusen ubsden busden usbden subden bsuden sbuden udsben dusben usdben sudben dsuben sduben bdsuen dbsuen bsduen sbduen dsbuen sdbuen uedsbn eudsbn udesbn duesbn edusbn deusbn uesdbn eusdbn usedbn suedbn esudbn seudbn udsebn dusebn usdebn sudebn dsuebn sduebn edsubn desubn esdubn sedubn dseubn sdeubn bedsun ebdsun bdesun dbesun edbsun debsun besdun ebsdun bsedun sbedun esbdun sebdun bdseun dbseun bsdeun sbdeun dsbeun sdbeun edsbun desbun esdbun sedbun dsebun sdebun nbedsu bnedsu nebdsu enbdsu bendsu ebndsu nbdesu bndesu ndbesu dnbesu bdnesu dbnesu nedbsu endbsu ndebsu dnebsu ednbsu denbsu bednsu ebdnsu bdensu dbensu edbnsu debnsu nbesdu bnesdu nebsdu enbsdu bensdu ebnsdu nbsedu bnsedu nsbedu snbedu bsnedu sbnedu nesbdu ensbdu nsebdu snebdu esnbdu senbdu besndu ebsndu bsendu sbendu esbndu sebndu nbdseu bndseu ndbseu dnbseu bdnseu dbnseu nbsdeu bnsdeu nsbdeu snbdeu bsndeu sbndeu ndsbeu dnsbeu nsdbeu sndbeu dsnbeu sdnbeu bdsneu dbsneu bsdneu sbdneu dsbneu sdbneu nedsbu endsbu ndesbu dnesbu ednsbu densbu nesdbu ensdbu nsedbu snedbu esndbu sendbu ndsebu dnsebu nsdebu sndebu dsnebu sdnebu edsnbu desnbu esdnbu sednbu dsenbu sdenbu bedsnu ebdsnu bdesnu dbesnu edbsnu debsnu besdnu ebsdnu bsednu sbednu esbdnu sebdnu bdsenu dbsenu bsdenu sbdenu dsbenu sdbenu edsbnu desbnu esdbnu sedbnu dsebnu sdebnu
Note: these 'words' (valid or invalid) are all the permutations of the word unbeds. These words are obtained by scrambling the letters in unbeds.