spaned psaned sapned aspned pasned apsned spnaed psnaed snpaed nspaed pnsaed npsaed sanped asnped snaped nsaped ansped nasped pansed apnsed pnased npased anpsed napsed spaend psaend sapend aspend pasend apsend speand pseand sepand espand pesand epsand saepnd asepnd seapnd esapnd aespnd easpnd paesnd apesnd peasnd epasnd aepsnd eapsnd spnead psnead snpead nspead pnsead npsead spenad psenad sepnad espnad pesnad epsnad snepad nsepad senpad esnpad nespad enspad pnesad npesad pensad epnsad nepsad enpsad sanepd asnepd snaepd nsaepd ansepd nasepd saenpd asenpd seanpd esanpd aesnpd easnpd sneapd nseapd senapd esnapd nesapd ensapd anespd naespd aenspd eanspd neaspd enaspd panesd apnesd pnaesd npaesd anpesd napesd paensd apensd peansd epansd aepnsd eapnsd pneasd npeasd penasd epnasd nepasd enpasd anepsd naepsd aenpsd eanpsd neapsd enapsd spande psande sapnde aspnde pasnde apsnde spnade psnade snpade nspade pnsade npsade sanpde asnpde snapde nsapde anspde naspde pansde apnsde pnasde npasde anpsde napsde spadne psadne sapdne aspdne pasdne apsdne spdane psdane sdpane dspane pdsane dpsane sadpne asdpne sdapne dsapne adspne daspne padsne apdsne pdasne dpasne adpsne dapsne spndae psndae snpdae nspdae pnsdae npsdae spdnae psdnae sdpnae dspnae pdsnae dpsnae sndpae nsdpae sdnpae dsnpae ndspae dnspae pndsae npdsae pdnsae dpnsae ndpsae dnpsae sandpe asndpe snadpe nsadpe ansdpe nasdpe sadnpe asdnpe sdanpe dsanpe adsnpe dasnpe sndape nsdape sdnape dsnape ndsape dnsape andspe nadspe adnspe danspe ndaspe dnaspe pandse apndse pnadse npadse anpdse napdse padnse apdnse pdanse dpanse adpnse dapnse pndase npdase pdnase dpnase ndpase dnpase andpse nadpse adnpse danpse ndapse dnapse spaedn psaedn sapedn aspedn pasedn apsedn speadn pseadn sepadn espadn pesadn epsadn saepdn asepdn seapdn esapdn aespdn easpdn paesdn apesdn peasdn epasdn aepsdn eapsdn spaden psaden sapden aspden pasden apsden spdaen psdaen sdpaen dspaen pdsaen dpsaen sadpen asdpen sdapen dsapen adspen daspen padsen apdsen pdasen dpasen adpsen dapsen spedan psedan sepdan espdan pesdan epsdan spdean psdean sdpean dspean pdsean dpsean sedpan esdpan sdepan dsepan edspan despan pedsan epdsan pdesan dpesan edpsan depsan saedpn asedpn seadpn esadpn aesdpn easdpn sadepn asdepn sdaepn dsaepn adsepn dasepn sedapn esdapn sdeapn dseapn edsapn desapn aedspn eadspn adespn daespn edaspn deaspn paedsn apedsn peadsn epadsn aepdsn eapdsn padesn apdesn pdaesn dpaesn adpesn dapesn pedasn epdasn pdeasn dpeasn edpasn depasn aedpsn eadpsn adepsn daepsn edapsn deapsn spneda psneda snpeda nspeda pnseda npseda spenda psenda sepnda espnda pesnda epsnda snepda nsepda senpda esnpda nespda enspda pnesda npesda pensda epnsda nepsda enpsda spndea psndea snpdea nspdea pnsdea npsdea spdnea psdnea sdpnea dspnea pdsnea dpsnea sndpea nsdpea sdnpea dsnpea ndspea dnspea pndsea npdsea pdnsea dpnsea ndpsea dnpsea spedna psedna sepdna espdna pesdna epsdna spdena psdena sdpena dspena pdsena dpsena sedpna esdpna sdepna dsepna edspna despna pedsna epdsna pdesna dpesna edpsna depsna snedpa nsedpa sendpa esndpa nesdpa ensdpa sndepa nsdepa sdnepa dsnepa ndsepa dnsepa sednpa esdnpa sdenpa dsenpa edsnpa desnpa nedspa endspa ndespa dnespa ednspa denspa pnedsa npedsa pendsa epndsa nepdsa enpdsa pndesa npdesa pdnesa dpnesa ndpesa dnpesa pednsa epdnsa pdensa dpensa edpnsa depnsa nedpsa endpsa ndepsa dnepsa ednpsa denpsa sanedp asnedp snaedp nsaedp ansedp nasedp saendp asendp seandp esandp aesndp easndp sneadp nseadp senadp esnadp nesadp ensadp anesdp naesdp aensdp eansdp neasdp enasdp sandep asndep snadep nsadep ansdep nasdep sadnep asdnep sdanep dsanep adsnep dasnep sndaep nsdaep sdnaep dsnaep ndsaep dnsaep andsep nadsep adnsep dansep ndasep dnasep saednp asednp seadnp esadnp aesdnp easdnp sadenp asdenp sdaenp dsaenp adsenp dasenp sedanp esdanp sdeanp dseanp edsanp desanp aedsnp eadsnp adesnp daesnp edasnp deasnp snedap nsedap sendap esndap nesdap ensdap sndeap nsdeap sdneap dsneap ndseap dnseap sednap esdnap sdenap dsenap edsnap desnap nedsap endsap ndesap dnesap ednsap densap anedsp naedsp aendsp eandsp neadsp enadsp andesp nadesp adnesp danesp ndaesp dnaesp aednsp eadnsp adensp daensp edansp deansp nedasp endasp ndeasp dneasp ednasp denasp paneds apneds pnaeds npaeds anpeds napeds paends apends peands epands aepnds eapnds pneads npeads penads epnads nepads enpads anepds naepds aenpds eanpds neapds enapds pandes apndes pnades npades anpdes napdes padnes apdnes pdanes dpanes adpnes dapnes pndaes npdaes pdnaes dpnaes ndpaes dnpaes andpes nadpes adnpes danpes ndapes dnapes paedns apedns peadns epadns aepdns eapdns padens apdens pdaens dpaens adpens dapens pedans epdans pdeans dpeans edpans depans aedpns eadpns adepns daepns edapns deapns pnedas npedas pendas epndas nepdas enpdas pndeas npdeas pdneas dpneas ndpeas dnpeas pednas epdnas pdenas dpenas edpnas depnas nedpas endpas ndepas dnepas ednpas denpas anedps naedps aendps eandps neadps enadps andeps nadeps adneps daneps ndaeps dnaeps aednps eadnps adenps daenps edanps deanps nedaps endaps ndeaps dneaps ednaps denaps
Note: these 'words' (valid or invalid) are all the permutations of the word spaned. These words are obtained by scrambling the letters in spaned.