spelds pselds seplds esplds peslds epslds spleds psleds slpeds lspeds plseds lpseds selpds eslpds slepds lsepds elspds lespds pelsds eplsds plesds lpesds elpsds lepsds spedls psedls sepdls espdls pesdls epsdls spdels psdels sdpels dspels pdsels dpsels sedpls esdpls sdepls dsepls edspls despls pedsls epdsls pdesls dpesls edpsls depsls spldes psldes slpdes lspdes plsdes lpsdes spdles psdles sdples dsples pdsles dpsles sldpes lsdpes sdlpes dslpes ldspes dlspes pldses lpdses pdlses dplses ldpses dlpses seldps esldps sledps lsedps elsdps lesdps sedlps esdlps sdelps dselps edslps deslps sldeps lsdeps sdleps dsleps ldseps dlseps eldsps ledsps edlsps delsps ldesps dlesps peldss epldss pledss lpedss elpdss lepdss pedlss epdlss pdelss dpelss edplss deplss pldess lpdess pdless dpless ldpess dlpess eldpss ledpss edlpss delpss ldepss dlepss spelsd pselsd seplsd esplsd peslsd epslsd splesd pslesd slpesd lspesd plsesd lpsesd selpsd eslpsd slepsd lsepsd elspsd lespsd pelssd eplssd plessd lpessd elpssd lepssd spesld psesld sepsld espsld pessld epssld spseld psseld sspeld sspeld psseld spseld sespld esspld ssepld ssepld esspld sespld pessld epssld psesld spesld espsld sepsld splsed pslsed slpsed lspsed plssed lpssed spsled pssled sspled sspled pssled spsled slsped lssped sslped sslped lssped slsped plssed lpssed pslsed splsed lspsed slpsed selspd eslspd slespd lsespd elsspd lesspd seslpd esslpd sselpd sselpd esslpd seslpd slsepd lssepd sslepd sslepd lssepd slsepd elsspd lesspd eslspd selspd lsespd slespd pelssd eplssd plessd lpessd elpssd lepssd peslsd epslsd pselsd spelsd esplsd seplsd plsesd lpsesd pslesd splesd lspesd slpesd elspsd lespsd eslpsd selpsd lsepsd slepsd spedsl psedsl sepdsl espdsl pesdsl epsdsl spdesl psdesl sdpesl dspesl pdsesl dpsesl sedpsl esdpsl sdepsl dsepsl edspsl despsl pedssl epdssl pdessl dpessl edpssl depssl spesdl psesdl sepsdl espsdl pessdl epssdl spsedl pssedl sspedl sspedl pssedl spsedl sespdl esspdl ssepdl ssepdl esspdl sespdl pessdl epssdl psesdl spesdl espsdl sepsdl spdsel psdsel sdpsel dspsel pdssel dpssel spsdel pssdel sspdel sspdel pssdel spsdel sdspel dsspel ssdpel ssdpel dsspel sdspel pdssel dpssel psdsel spdsel dspsel sdpsel sedspl esdspl sdespl dsespl edsspl desspl sesdpl essdpl ssedpl ssedpl essdpl sesdpl sdsepl dssepl ssdepl ssdepl dssepl sdsepl edsspl desspl esdspl sedspl dsespl sdespl pedssl epdssl pdessl dpessl edpssl depssl pesdsl epsdsl psedsl spedsl espdsl sepdsl pdsesl dpsesl psdesl spdesl dspesl sdpesl edspsl despsl esdpsl sedpsl dsepsl sdepsl spldse psldse slpdse lspdse plsdse lpsdse spdlse psdlse sdplse dsplse pdslse dpslse sldpse lsdpse sdlpse dslpse ldspse dlspse pldsse lpdsse pdlsse dplsse ldpsse dlpsse splsde pslsde slpsde lspsde plssde lpssde spslde psslde ssplde ssplde psslde spslde slspde lsspde sslpde sslpde lsspde slspde plssde lpssde pslsde splsde lspsde slpsde spdsle psdsle sdpsle dspsle pdssle dpssle spsdle pssdle sspdle sspdle pssdle spsdle sdsple dssple ssdple ssdple dssple sdsple pdssle dpssle psdsle spdsle dspsle sdpsle sldspe lsdspe sdlspe dslspe ldsspe dlsspe slsdpe lssdpe ssldpe ssldpe lssdpe slsdpe sdslpe dsslpe ssdlpe ssdlpe dsslpe sdslpe ldsspe dlsspe lsdspe sldspe dslspe sdlspe pldsse lpdsse pdlsse dplsse ldpsse dlpsse plsdse lpsdse psldse spldse lspdse slpdse pdslse dpslse psdlse spdlse dsplse sdplse ldspse dlspse lsdpse sldpse dslpse sdlpse seldsp esldsp sledsp lsedsp elsdsp lesdsp sedlsp esdlsp sdelsp dselsp edslsp deslsp sldesp lsdesp sdlesp dslesp ldsesp dlsesp eldssp ledssp edlssp delssp ldessp dlessp selsdp eslsdp slesdp lsesdp elssdp lessdp sesldp essldp sseldp sseldp essldp sesldp slsedp lssedp ssledp ssledp lssedp slsedp elssdp lessdp eslsdp selsdp lsesdp slesdp sedslp esdslp sdeslp dseslp edsslp desslp sesdlp essdlp ssedlp ssedlp essdlp sesdlp sdselp dsselp ssdelp ssdelp dsselp sdselp edsslp desslp esdslp sedslp dseslp sdeslp sldsep lsdsep sdlsep dslsep ldssep dlssep slsdep lssdep ssldep ssldep lssdep slsdep sdslep dsslep ssdlep ssdlep dsslep sdslep ldssep dlssep lsdsep sldsep dslsep sdlsep eldssp ledssp edlssp delssp ldessp dlessp elsdsp lesdsp esldsp seldsp lsedsp sledsp edslsp deslsp esdlsp sedlsp dselsp sdelsp ldsesp dlsesp lsdesp sldesp dslesp sdlesp peldss epldss pledss lpedss elpdss lepdss pedlss epdlss pdelss dpelss edplss deplss pldess lpdess pdless dpless ldpess dlpess eldpss ledpss edlpss delpss ldepss dlepss pelsds eplsds plesds lpesds elpsds lepsds peslds epslds pselds spelds esplds seplds plseds lpseds psleds spleds lspeds slpeds elspds lespds eslpds selpds lsepds slepds pedsls epdsls pdesls dpesls edpsls depsls pesdls epsdls psedls spedls espdls sepdls pdsels dpsels psdels spdels dspels sdpels edspls despls esdpls sedpls dsepls sdepls pldses lpdses pdlses dplses ldpses dlpses plsdes lpsdes psldes spldes lspdes slpdes pdsles dpsles psdles spdles dsples sdples ldspes dlspes lsdpes sldpes dslpes sdlpes eldsps ledsps edlsps delsps ldesps dlesps elsdps lesdps esldps seldps lsedps sledps edslps deslps esdlps sedlps dselps sdelps ldseps dlseps lsdeps sldeps dsleps sdleps
Note: these 'words' (valid or invalid) are all the permutations of the word spelds. These words are obtained by scrambling the letters in spelds.