padder apdder pdader dpader adpder dapder padder apdder pdader dpader adpder dapder pddaer dpdaer pddaer dpdaer ddpaer ddpaer addper dadper addper dadper ddaper ddaper padedr apdedr pdaedr dpaedr adpedr dapedr paeddr apeddr peaddr epaddr aepddr eapddr pdeadr dpeadr pedadr epdadr depadr edpadr adepdr daepdr aedpdr eadpdr deapdr edapdr padedr apdedr pdaedr dpaedr adpedr dapedr paeddr apeddr peaddr epaddr aepddr eapddr pdeadr dpeadr pedadr epdadr depadr edpadr adepdr daepdr aedpdr eadpdr deapdr edapdr pddear dpdear pddear dpdear ddpear ddpear pdedar dpedar peddar epddar depdar edpdar pdedar dpedar peddar epddar depdar edpdar ddepar ddepar dedpar eddpar dedpar eddpar addepr dadepr addepr dadepr ddaepr ddaepr adedpr daedpr aeddpr eaddpr deadpr edadpr adedpr daedpr aeddpr eaddpr deadpr edadpr ddeapr ddeapr dedapr eddapr dedapr eddapr paddre apddre pdadre dpadre adpdre dapdre paddre apddre pdadre dpadre adpdre dapdre pddare dpdare pddare dpdare ddpare ddpare addpre dadpre addpre dadpre ddapre ddapre padrde apdrde pdarde dparde adprde daprde pardde aprdde pradde rpadde arpdde rapdde pdrade dprade prdade rpdade drpade rdpade adrpde darpde ardpde radpde drapde rdapde padrde apdrde pdarde dparde adprde daprde pardde aprdde pradde rpadde arpdde rapdde pdrade dprade prdade rpdade drpade rdpade adrpde darpde ardpde radpde drapde rdapde pddrae dpdrae pddrae dpdrae ddprae ddprae pdrdae dprdae prddae rpddae drpdae rdpdae pdrdae dprdae prddae rpddae drpdae rdpdae ddrpae ddrpae drdpae rddpae drdpae rddpae addrpe dadrpe addrpe dadrpe ddarpe ddarpe adrdpe dardpe arddpe raddpe dradpe rdadpe adrdpe dardpe arddpe raddpe dradpe rdadpe ddrape ddrape drdape rddape drdape rddape paderd apderd pdaerd dpaerd adperd daperd paedrd apedrd peadrd epadrd aepdrd eapdrd pdeard dpeard pedard epdard depard edpard adeprd daeprd aedprd eadprd deaprd edaprd padred apdred pdared dpared adpred dapred parded aprded praded rpaded arpded rapded pdraed dpraed prdaed rpdaed drpaed rdpaed adrped darped ardped radped draped rdaped paerdd aperdd peardd epardd aeprdd eaprdd paredd apredd praedd rpaedd arpedd rapedd peradd epradd preadd rpeadd erpadd repadd aerpdd earpdd arepdd raepdd erapdd reapdd pderad dperad pedrad epdrad deprad edprad pdread dpread prdead rpdead drpead rdpead perdad eprdad predad rpedad erpdad repdad derpad edrpad drepad rdepad erdpad redpad aderpd daerpd aedrpd eadrpd dearpd edarpd adrepd darepd ardepd radepd draepd rdaepd aerdpd eardpd aredpd raedpd eradpd readpd derapd edrapd dreapd rdeapd erdapd redapd paderd apderd pdaerd dpaerd adperd daperd paedrd apedrd peadrd epadrd aepdrd eapdrd pdeard dpeard pedard epdard depard edpard adeprd daeprd aedprd eadprd deaprd edaprd padred apdred pdared dpared adpred dapred parded aprded praded rpaded arpded rapded pdraed dpraed prdaed rpdaed drpaed rdpaed adrped darped ardped radped draped rdaped paerdd aperdd peardd epardd aeprdd eaprdd paredd apredd praedd rpaedd arpedd rapedd peradd epradd preadd rpeadd erpadd repadd aerpdd earpdd arepdd raepdd erapdd reapdd pderad dperad pedrad epdrad deprad edprad pdread dpread prdead rpdead drpead rdpead perdad eprdad predad rpedad erpdad repdad derpad edrpad drepad rdepad erdpad redpad aderpd daerpd aedrpd eadrpd dearpd edarpd adrepd darepd ardepd radepd draepd rdaepd aerdpd eardpd aredpd raedpd eradpd readpd derapd edrapd dreapd rdeapd erdapd redapd pddera dpdera pddera dpdera ddpera ddpera pdedra dpedra peddra epddra depdra edpdra pdedra dpedra peddra epddra depdra edpdra ddepra ddepra dedpra eddpra dedpra eddpra pddrea dpdrea pddrea dpdrea ddprea ddprea pdrdea dprdea prddea rpddea drpdea rdpdea pdrdea dprdea prddea rpddea drpdea rdpdea ddrpea ddrpea drdpea rddpea drdpea rddpea pderda dperda pedrda epdrda deprda edprda pdreda dpreda prdeda rpdeda drpeda rdpeda perdda eprdda predda rpedda erpdda repdda derpda edrpda drepda rdepda erdpda redpda pderda dperda pedrda epdrda deprda edprda pdreda dpreda prdeda rpdeda drpeda rdpeda perdda eprdda predda rpedda erpdda repdda derpda edrpda drepda rdepda erdpda redpda dderpa dderpa dedrpa eddrpa dedrpa eddrpa ddrepa ddrepa drdepa rddepa drdepa rddepa derdpa edrdpa dredpa rdedpa erddpa reddpa derdpa edrdpa dredpa rdedpa erddpa reddpa adderp daderp adderp daderp ddaerp ddaerp adedrp daedrp aeddrp eaddrp deadrp edadrp adedrp daedrp aeddrp eaddrp deadrp edadrp ddearp ddearp dedarp eddarp dedarp eddarp addrep dadrep addrep dadrep ddarep ddarep adrdep dardep arddep raddep dradep rdadep adrdep dardep arddep raddep dradep rdadep ddraep ddraep drdaep rddaep drdaep rddaep aderdp daerdp aedrdp eadrdp deardp edardp adredp daredp ardedp radedp draedp rdaedp aerddp earddp areddp raeddp eraddp readdp deradp edradp dreadp rdeadp erdadp redadp aderdp daerdp aedrdp eadrdp deardp edardp adredp daredp ardedp radedp draedp rdaedp aerddp earddp areddp raeddp eraddp readdp deradp edradp dreadp rdeadp erdadp redadp dderap dderap dedrap eddrap dedrap eddrap ddreap ddreap drdeap rddeap drdeap rddeap derdap edrdap dredap rdedap erddap reddap derdap edrdap dredap rdedap erddap reddap
Note: these 'words' (valid or invalid) are all the permutations of the word padder. These words are obtained by scrambling the letters in padder.