spauld psauld sapuld aspuld pasuld apsuld spuald psuald supald uspald pusald upsald saupld asupld suapld usapld auspld uaspld pausld apusld puasld upasld aupsld uapsld spalud psalud saplud asplud paslud apslud splaud pslaud slpaud lspaud plsaud lpsaud salpud aslpud slapud lsapud alspud laspud palsud aplsud plasud lpasud alpsud lapsud spulad psulad suplad usplad puslad upslad spluad psluad slpuad lspuad plsuad lpsuad sulpad uslpad slupad lsupad ulspad luspad pulsad uplsad plusad lpusad ulpsad lupsad saulpd asulpd sualpd usalpd auslpd uaslpd salupd aslupd slaupd lsaupd alsupd lasupd sulapd uslapd sluapd lsuapd ulsapd lusapd aulspd ualspd aluspd lauspd ulaspd luaspd paulsd apulsd pualsd upalsd auplsd uaplsd palusd aplusd plausd lpausd alpusd lapusd pulasd uplasd pluasd lpuasd ulpasd lupasd aulpsd ualpsd alupsd laupsd ulapsd luapsd spaudl psaudl sapudl aspudl pasudl apsudl spuadl psuadl supadl uspadl pusadl upsadl saupdl asupdl suapdl usapdl auspdl uaspdl pausdl apusdl puasdl upasdl aupsdl uapsdl spadul psadul sapdul aspdul pasdul apsdul spdaul psdaul sdpaul dspaul pdsaul dpsaul sadpul asdpul sdapul dsapul adspul daspul padsul apdsul pdasul dpasul adpsul dapsul spudal psudal supdal uspdal pusdal upsdal spdual psdual sdpual dspual pdsual dpsual sudpal usdpal sdupal dsupal udspal duspal pudsal updsal pdusal dpusal udpsal dupsal saudpl asudpl suadpl usadpl ausdpl uasdpl sadupl asdupl sdaupl dsaupl adsupl dasupl sudapl usdapl sduapl dsuapl udsapl dusapl audspl uadspl aduspl dauspl udaspl duaspl paudsl apudsl puadsl upadsl aupdsl uapdsl padusl apdusl pdausl dpausl adpusl dapusl pudasl updasl pduasl dpuasl udpasl dupasl audpsl uadpsl adupsl daupsl udapsl duapsl spaldu psaldu sapldu aspldu pasldu apsldu spladu psladu slpadu lspadu plsadu lpsadu salpdu aslpdu slapdu lsapdu alspdu laspdu palsdu aplsdu plasdu lpasdu alpsdu lapsdu spadlu psadlu sapdlu aspdlu pasdlu apsdlu spdalu psdalu sdpalu dspalu pdsalu dpsalu sadplu asdplu sdaplu dsaplu adsplu dasplu padslu apdslu pdaslu dpaslu adpslu dapslu spldau psldau slpdau lspdau plsdau lpsdau spdlau psdlau sdplau dsplau pdslau dpslau sldpau lsdpau sdlpau dslpau ldspau dlspau pldsau lpdsau pdlsau dplsau ldpsau dlpsau saldpu asldpu sladpu lsadpu alsdpu lasdpu sadlpu asdlpu sdalpu dsalpu adslpu daslpu sldapu lsdapu sdlapu dslapu ldsapu dlsapu aldspu ladspu adlspu dalspu ldaspu dlaspu paldsu apldsu pladsu lpadsu alpdsu lapdsu padlsu apdlsu pdalsu dpalsu adplsu daplsu pldasu lpdasu pdlasu dplasu ldpasu dlpasu aldpsu ladpsu adlpsu dalpsu ldapsu dlapsu spulda psulda suplda usplda puslda upslda spluda psluda slpuda lspuda plsuda lpsuda sulpda uslpda slupda lsupda ulspda luspda pulsda uplsda plusda lpusda ulpsda lupsda spudla psudla supdla uspdla pusdla upsdla spdula psdula sdpula dspula pdsula dpsula sudpla usdpla sdupla dsupla udspla duspla pudsla updsla pdusla dpusla udpsla dupsla spldua psldua slpdua lspdua plsdua lpsdua spdlua psdlua sdplua dsplua pdslua dpslua sldpua lsdpua sdlpua dslpua ldspua dlspua pldsua lpdsua pdlsua dplsua ldpsua dlpsua suldpa usldpa sludpa lsudpa ulsdpa lusdpa sudlpa usdlpa sdulpa dsulpa udslpa duslpa sldupa lsdupa sdlupa dslupa ldsupa dlsupa uldspa ludspa udlspa dulspa lduspa dluspa puldsa upldsa pludsa lpudsa ulpdsa lupdsa pudlsa updlsa pdulsa dpulsa udplsa duplsa pldusa lpdusa pdlusa dplusa ldpusa dlpusa uldpsa ludpsa udlpsa dulpsa ldupsa dlupsa sauldp asuldp sualdp usaldp ausldp uasldp saludp asludp slaudp lsaudp alsudp lasudp suladp usladp sluadp lsuadp ulsadp lusadp aulsdp ualsdp alusdp lausdp ulasdp luasdp saudlp asudlp suadlp usadlp ausdlp uasdlp sadulp asdulp sdaulp dsaulp adsulp dasulp sudalp usdalp sdualp dsualp udsalp dusalp audslp uadslp aduslp dauslp udaslp duaslp saldup asldup sladup lsadup alsdup lasdup sadlup asdlup sdalup dsalup adslup daslup sldaup lsdaup sdlaup dslaup ldsaup dlsaup aldsup ladsup adlsup dalsup ldasup dlasup suldap usldap sludap lsudap ulsdap lusdap sudlap usdlap sdulap dsulap udslap duslap slduap lsduap sdluap dsluap ldsuap dlsuap uldsap ludsap udlsap dulsap ldusap dlusap auldsp ualdsp aludsp laudsp uladsp luadsp audlsp uadlsp adulsp daulsp udalsp dualsp aldusp ladusp adlusp dalusp ldausp dlausp uldasp ludasp udlasp dulasp lduasp dluasp paulds apulds pualds upalds auplds uaplds paluds apluds plauds lpauds alpuds lapuds pulads uplads pluads lpuads ulpads lupads aulpds ualpds alupds laupds ulapds luapds paudls apudls puadls upadls aupdls uapdls paduls apduls pdauls dpauls adpuls dapuls pudals updals pduals dpuals udpals dupals audpls uadpls adupls daupls udapls duapls paldus apldus pladus lpadus alpdus lapdus padlus apdlus pdalus dpalus adplus daplus pldaus lpdaus pdlaus dplaus ldpaus dlpaus aldpus ladpus adlpus dalpus ldapus dlapus puldas upldas pludas lpudas ulpdas lupdas pudlas updlas pdulas dpulas udplas duplas plduas lpduas pdluas dpluas ldpuas dlpuas uldpas ludpas udlpas dulpas ldupas dlupas auldps ualdps aludps laudps uladps luadps audlps uadlps adulps daulps udalps dualps aldups ladups adlups dalups ldaups dlaups uldaps ludaps udlaps dulaps lduaps dluaps
Note: these 'words' (valid or invalid) are all the permutations of the word spauld. These words are obtained by scrambling the letters in spauld.