endsun nedsun ednsun densun ndesun dnesun ensdun nesdun esndun sendun nsedun snedun edsnun desnun esdnun sednun dsenun sdenun ndseun dnseun nsdeun sndeun dsneun sdneun endusn nedusn ednusn denusn ndeusn dneusn enudsn neudsn eundsn uendsn nuedsn unedsn edunsn deunsn eudnsn uednsn duensn udensn nduesn dnuesn nudesn undesn dunesn udnesn ensudn nesudn esnudn senudn nseudn sneudn enusdn neusdn eunsdn uensdn nuesdn unesdn esundn seundn eusndn uesndn suendn usendn nsuedn snuedn nusedn unsedn sunedn usnedn edsunn desunn esdunn sedunn dseunn sdeunn edusnn deusnn eudsnn uedsnn duesnn udesnn esudnn seudnn eusdnn uesdnn suednn usednn dsuenn sduenn dusenn udsenn sudenn usdenn ndsuen dnsuen nsduen snduen dsnuen sdnuen ndusen dnusen nudsen undsen dunsen udnsen nsuden snuden nusden unsden sunden usnden dsunen sdunen dusnen udsnen sudnen usdnen endsnu nedsnu ednsnu densnu ndesnu dnesnu ensdnu nesdnu esndnu sendnu nsednu snednu edsnnu desnnu esdnnu sednnu dsennu sdennu ndsenu dnsenu nsdenu sndenu dsnenu sdnenu endnsu nednsu ednnsu dennsu ndensu dnensu enndsu nendsu enndsu nendsu nnedsu nnedsu ednnsu dennsu endnsu nednsu dnensu ndensu ndnesu dnnesu nndesu nndesu dnnesu ndnesu ensndu nesndu esnndu senndu nsendu snendu ennsdu nensdu ennsdu nensdu nnesdu nnesdu esnndu senndu ensndu nesndu snendu nsendu nsnedu snnedu nnsedu nnsedu snnedu nsnedu edsnnu desnnu esdnnu sednnu dsennu sdennu ednsnu densnu endsnu nedsnu dnesnu ndesnu esndnu sendnu ensdnu nesdnu snednu nsednu dsnenu sdnenu dnsenu ndsenu sndenu nsdenu ndsneu dnsneu nsdneu sndneu dsnneu sdnneu ndnseu dnnseu nndseu nndseu dnnseu ndnseu nsndeu snndeu nnsdeu nnsdeu snndeu nsndeu dsnneu sdnneu dnsneu ndsneu sndneu nsdneu enduns neduns ednuns denuns ndeuns dneuns enudns neudns eundns uendns nuedns unedns edunns deunns eudnns uednns duenns udenns nduens dnuens nudens undens dunens udnens endnus nednus ednnus dennus ndenus dnenus enndus nendus enndus nendus nnedus nnedus ednnus dennus endnus nednus dnenus ndenus ndneus dnneus nndeus nndeus dnneus ndneus enunds neunds eunnds uennds nuends unends ennuds nenuds ennuds nenuds nneuds nneuds eunnds uennds enunds neunds unends nuends nuneds unneds nnueds nnueds unneds nuneds edunns deunns eudnns uednns duenns udenns ednuns denuns enduns neduns dneuns ndeuns eundns uendns enudns neudns unedns nuedns dunens udnens dnuens nduens undens nudens ndunes dnunes nudnes undnes dunnes udnnes ndnues dnnues nndues nndues dnnues ndnues nundes unndes nnudes nnudes unndes nundes dunnes udnnes dnunes ndunes undnes nudnes ensund nesund esnund senund nseund sneund enusnd neusnd eunsnd uensnd nuesnd unesnd esunnd seunnd eusnnd uesnnd suennd usennd nsuend snuend nusend unsend sunend usnend ensnud nesnud esnnud sennud nsenud snenud ennsud nensud ennsud nensud nnesud nnesud esnnud sennud ensnud nesnud snenud nsenud nsneud snneud nnseud nnseud snneud nsneud enunsd neunsd eunnsd uennsd nuensd unensd ennusd nenusd ennusd nenusd nneusd nneusd eunnsd uennsd enunsd neunsd unensd nuensd nunesd unnesd nnuesd nnuesd unnesd nunesd esunnd seunnd eusnnd uesnnd suennd usennd esnund senund ensund nesund sneund nseund eunsnd uensnd enusnd neusnd unesnd nuesnd sunend usnend snuend nsuend unsend nusend nsuned snuned nusned unsned sunned usnned nsnued snnued nnsued nnsued snnued nsnued nunsed unnsed nnused nnused unnsed nunsed sunned usnned snuned nsuned unsned nusned edsunn desunn esdunn sedunn dseunn sdeunn edusnn deusnn eudsnn uedsnn duesnn udesnn esudnn seudnn eusdnn uesdnn suednn usednn dsuenn sduenn dusenn udsenn sudenn usdenn edsnun desnun esdnun sednun dsenun sdenun ednsun densun endsun nedsun dnesun ndesun esndun sendun ensdun nesdun snedun nsedun dsneun sdneun dnseun ndseun sndeun nsdeun edunsn deunsn eudnsn uednsn duensn udensn ednusn denusn endusn nedusn dneusn ndeusn eundsn uendsn enudsn neudsn unedsn nuedsn dunesn udnesn dnuesn nduesn undesn nudesn esundn seundn eusndn uesndn suendn usendn esnudn senudn ensudn nesudn sneudn nseudn eunsdn uensdn enusdn neusdn unesdn nuesdn sunedn usnedn snuedn nsuedn unsedn nusedn dsunen sdunen dusnen udsnen sudnen usdnen dsnuen sdnuen dnsuen ndsuen snduen nsduen dunsen udnsen dnusen ndusen undsen nudsen sunden usnden snuden nsuden unsden nusden ndsune dnsune nsdune sndune dsnune sdnune ndusne dnusne nudsne undsne dunsne udnsne nsudne snudne nusdne unsdne sundne usndne dsunne sdunne dusnne udsnne sudnne usdnne ndsnue dnsnue nsdnue sndnue dsnnue sdnnue ndnsue dnnsue nndsue nndsue dnnsue ndnsue nsndue snndue nnsdue nnsdue snndue nsndue dsnnue sdnnue dnsnue ndsnue sndnue nsdnue ndunse dnunse nudnse undnse dunnse udnnse ndnuse dnnuse nnduse nnduse dnnuse ndnuse nundse unndse nnudse nnudse unndse nundse dunnse udnnse dnunse ndunse undnse nudnse nsunde snunde nusnde unsnde sunnde usnnde nsnude snnude nnsude nnsude snnude nsnude nunsde unnsde nnusde nnusde unnsde nunsde sunnde usnnde snunde nsunde unsnde nusnde dsunne sdunne dusnne udsnne sudnne usdnne dsnune sdnune dnsune ndsune sndune nsdune dunsne udnsne dnusne ndusne undsne nudsne sundne usndne snudne nsudne unsdne nusdne
Note: these 'words' (valid or invalid) are all the permutations of the word endsun. These words are obtained by scrambling the letters in endsun.