diaper idaper daiper adiper iadper aidper dipaer idpaer dpiaer pdiaer ipdaer pidaer dapier adpier dpaier pdaier apdier padier iapder aipder ipader piader apider paider diaepr idaepr daiepr adiepr iadepr aidepr dieapr ideapr deiapr ediapr iedapr eidapr daeipr adeipr deaipr edaipr aedipr eadipr iaedpr aiedpr ieadpr eiadpr aeidpr eaidpr dipear idpear dpiear pdiear ipdear pidear diepar idepar deipar edipar iedpar eidpar dpeiar pdeiar depiar edpiar pediar epdiar ipedar piedar iepdar eipdar peidar epidar dapeir adpeir dpaeir pdaeir apdeir padeir daepir adepir deapir edapir aedpir eadpir dpeair pdeair depair edpair pedair epdair apedir paedir aepdir eapdir peadir epadir iapedr aipedr ipaedr piaedr apiedr paiedr iaepdr aiepdr ieapdr eiapdr aeipdr eaipdr ipeadr pieadr iepadr eipadr peiadr epiadr apeidr paeidr aepidr eapidr peaidr epaidr diapre idapre daipre adipre iadpre aidpre dipare idpare dpiare pdiare ipdare pidare dapire adpire dpaire pdaire apdire padire iapdre aipdre ipadre piadre apidre paidre diarpe idarpe dairpe adirpe iadrpe aidrpe dirape idrape driape rdiape irdape ridape daripe adripe draipe rdaipe ardipe radipe iardpe airdpe iradpe riadpe aridpe raidpe diprae idprae dpirae pdirae ipdrae pidrae dirpae idrpae dripae rdipae irdpae ridpae dpriae pdriae drpiae rdpiae prdiae rpdiae iprdae pirdae irpdae ripdae pridae rpidae daprie adprie dparie pdarie apdrie padrie darpie adrpie drapie rdapie ardpie radpie dpraie pdraie drpaie rdpaie prdaie rpdaie aprdie pardie arpdie rapdie pradie rpadie iaprde aiprde iparde piarde apirde pairde iarpde airpde irapde riapde aripde raipde iprade pirade irpade ripade priade rpiade apride paride arpide rapide praide rpaide diaerp idaerp daierp adierp iaderp aiderp diearp idearp deiarp ediarp iedarp eidarp daeirp adeirp deairp edairp aedirp eadirp iaedrp aiedrp ieadrp eiadrp aeidrp eaidrp diarep idarep dairep adirep iadrep aidrep diraep idraep driaep rdiaep irdaep ridaep dariep adriep draiep rdaiep ardiep radiep iardep airdep iradep riadep aridep raidep dierap iderap deirap edirap iedrap eidrap direap idreap drieap rdieap irdeap rideap deriap edriap dreiap rdeiap erdiap rediap ierdap eirdap iredap riedap eridap reidap daerip aderip dearip edarip aedrip eadrip dareip adreip draeip rdaeip ardeip radeip deraip edraip dreaip rdeaip erdaip redaip aerdip eardip aredip raedip eradip readip iaerdp aierdp ieardp eiardp aeirdp eairdp iaredp airedp iraedp riaedp ariedp raiedp ieradp eiradp ireadp rieadp eriadp reiadp aeridp earidp areidp raeidp eraidp reaidp dipera idpera dpiera pdiera ipdera pidera diepra idepra deipra edipra iedpra eidpra dpeira pdeira depira edpira pedira epdira ipedra piedra iepdra eipdra peidra epidra diprea idprea dpirea pdirea ipdrea pidrea dirpea idrpea dripea rdipea irdpea ridpea dpriea pdriea drpiea rdpiea prdiea rpdiea iprdea pirdea irpdea ripdea pridea rpidea dierpa iderpa deirpa edirpa iedrpa eidrpa direpa idrepa driepa rdiepa irdepa ridepa deripa edripa dreipa rdeipa erdipa redipa ierdpa eirdpa iredpa riedpa eridpa reidpa dperia pderia depria edpria pedria epdria dpreia pdreia drpeia rdpeia prdeia rpdeia derpia edrpia drepia rdepia erdpia redpia perdia eprdia predia rpedia erpdia repdia iperda pierda ieprda eiprda peirda epirda ipreda pireda irpeda ripeda prieda rpieda ierpda eirpda irepda riepda eripda reipda perida eprida preida rpeida erpida repida daperi adperi dpaeri pdaeri apderi paderi daepri adepri deapri edapri aedpri eadpri dpeari pdeari depari edpari pedari epdari apedri paedri aepdri eapdri peadri epadri daprei adprei dparei pdarei apdrei padrei darpei adrpei drapei rdapei ardpei radpei dpraei pdraei drpaei rdpaei prdaei rpdaei aprdei pardei arpdei rapdei pradei rpadei daerpi aderpi dearpi edarpi aedrpi eadrpi darepi adrepi draepi rdaepi ardepi radepi derapi edrapi dreapi rdeapi erdapi redapi aerdpi eardpi aredpi raedpi eradpi readpi dperai pderai deprai edprai pedrai epdrai dpreai pdreai drpeai rdpeai prdeai rpdeai derpai edrpai drepai rdepai erdpai redpai perdai eprdai predai rpedai erpdai repdai aperdi paerdi aeprdi eaprdi peardi epardi apredi paredi arpedi rapedi praedi rpaedi aerpdi earpdi arepdi raepdi erapdi reapdi peradi epradi preadi rpeadi erpadi repadi iaperd aiperd ipaerd piaerd apierd paierd iaeprd aieprd ieaprd eiaprd aeiprd eaiprd ipeard pieard iepard eipard peiard epiard apeird paeird aepird eapird peaird epaird iapred aipred ipared piared apired paired iarped airped iraped riaped ariped raiped ipraed piraed irpaed ripaed priaed rpiaed apried paried arpied rapied praied rpaied iaerpd aierpd iearpd eiarpd aeirpd eairpd iarepd airepd iraepd riaepd ariepd raiepd ierapd eirapd ireapd rieapd eriapd reiapd aeripd earipd areipd raeipd eraipd reaipd iperad pierad ieprad eiprad peirad epirad ipread piread irpead ripead priead rpiead ierpad eirpad irepad riepad eripad reipad periad epriad preiad rpeiad erpiad repiad aperid paerid aeprid eaprid pearid eparid apreid pareid arpeid rapeid praeid rpaeid aerpid earpid arepid raepid erapid reapid peraid epraid preaid rpeaid erpaid repaid
Note: these 'words' (valid or invalid) are all the permutations of the word diaper. These words are obtained by scrambling the letters in diaper.