redips erdips rdeips dreips edrips derips reidps eridps riedps iredps eirdps ierdps rdieps drieps rideps irdeps direps idreps edirps deirps eidrps iedrps dierps iderps redpis erdpis rdepis drepis edrpis derpis repdis erpdis rpedis predis eprdis perdis rdpeis drpeis rpdeis prdeis dpreis pdreis edpris depris epdris pedris dperis pderis reipds eripds riepds irepds eirpds ierpds repids erpids rpeids preids eprids perids ripeds irpeds rpieds prieds ipreds pireds eiprds ieprds epirds peirds iperds pierds rdipes dripes ridpes irdpes dirpes idrpes rdpies drpies rpdies prdies dpries pdries ripdes irpdes rpides prides iprdes pirdes dipres idpres dpires pdires ipdres pidres ediprs deiprs eidprs iedprs dieprs ideprs edpirs depirs epdirs pedirs dpeirs pdeirs eipdrs iepdrs epidrs peidrs ipedrs piedrs dipers idpers dpiers pdiers ipders piders redisp erdisp rdeisp dreisp edrisp derisp reidsp eridsp riedsp iredsp eirdsp ierdsp rdiesp driesp ridesp irdesp diresp idresp edirsp deirsp eidrsp iedrsp diersp idersp redsip erdsip rdesip dresip edrsip dersip resdip ersdip rsedip sredip esrdip serdip rdseip drseip rsdeip srdeip dsreip sdreip edsrip desrip esdrip sedrip dserip sderip reisdp erisdp riesdp iresdp eirsdp iersdp residp ersidp rseidp sreidp esridp seridp risedp irsedp rsiedp sriedp isredp siredp eisrdp iesrdp esirdp seirdp iserdp sierdp rdisep drisep ridsep irdsep dirsep idrsep rdsiep drsiep rsdiep srdiep dsriep sdriep risdep irsdep rsidep sridep isrdep sirdep disrep idsrep dsirep sdirep isdrep sidrep edisrp deisrp eidsrp iedsrp diesrp idesrp edsirp desirp esdirp sedirp dseirp sdeirp eisdrp iesdrp esidrp seidrp isedrp siedrp diserp idserp dsierp sdierp isderp siderp redpsi erdpsi rdepsi drepsi edrpsi derpsi repdsi erpdsi rpedsi predsi eprdsi perdsi rdpesi drpesi rpdesi prdesi dpresi pdresi edprsi deprsi epdrsi pedrsi dpersi pdersi redspi erdspi rdespi drespi edrspi derspi resdpi ersdpi rsedpi sredpi esrdpi serdpi rdsepi drsepi rsdepi srdepi dsrepi sdrepi edsrpi desrpi esdrpi sedrpi dserpi sderpi repsdi erpsdi rpesdi presdi eprsdi persdi respdi erspdi rsepdi srepdi esrpdi serpdi rpsedi prsedi rspedi srpedi psredi spredi epsrdi pesrdi esprdi seprdi pserdi sperdi rdpsei drpsei rpdsei prdsei dprsei pdrsei rdspei drspei rsdpei srdpei dsrpei sdrpei rpsdei prsdei rspdei srpdei psrdei sprdei dpsrei pdsrei dsprei sdprei psdrei spdrei edpsri depsri epdsri pedsri dpesri pdesri edspri despri esdpri sedpri dsepri sdepri epsdri pesdri espdri sepdri psedri spedri dpseri pdseri dsperi sdperi psderi spderi reipsd eripsd riepsd irepsd eirpsd ierpsd repisd erpisd rpeisd preisd eprisd perisd ripesd irpesd rpiesd priesd ipresd piresd eiprsd ieprsd epirsd peirsd ipersd piersd reispd erispd riespd irespd eirspd ierspd resipd ersipd rseipd sreipd esripd seripd risepd irsepd rsiepd sriepd isrepd sirepd eisrpd iesrpd esirpd seirpd iserpd sierpd repsid erpsid rpesid presid eprsid persid respid erspid rsepid srepid esrpid serpid rpseid prseid rspeid srpeid psreid spreid epsrid pesrid esprid seprid pserid sperid ripsed irpsed rpised prised iprsed pirsed risped irsped rsiped sriped isrped sirped rpsied prsied rspied srpied psried spried ipsred pisred ispred sipred psired spired eipsrd iepsrd episrd peisrd ipesrd piesrd eisprd iesprd esiprd seiprd iseprd sieprd epsird pesird espird sepird pseird speird ipserd piserd isperd siperd psierd spierd rdipse dripse ridpse irdpse dirpse idrpse rdpise drpise rpdise prdise dprise pdrise ripdse irpdse rpidse pridse iprdse pirdse diprse idprse dpirse pdirse ipdrse pidrse rdispe drispe ridspe irdspe dirspe idrspe rdsipe drsipe rsdipe srdipe dsripe sdripe risdpe irsdpe rsidpe sridpe isrdpe sirdpe disrpe idsrpe dsirpe sdirpe isdrpe sidrpe rdpsie drpsie rpdsie prdsie dprsie pdrsie rdspie drspie rsdpie srdpie dsrpie sdrpie rpsdie prsdie rspdie srpdie psrdie sprdie dpsrie pdsrie dsprie sdprie psdrie spdrie ripsde irpsde rpisde prisde iprsde pirsde rispde irspde rsipde sripde isrpde sirpde rpside prside rspide srpide psride spride ipsrde pisrde isprde siprde psirde spirde dipsre idpsre dpisre pdisre ipdsre pidsre dispre idspre dsipre sdipre isdpre sidpre dpsire pdsire dspire sdpire psdire spdire ipsdre pisdre ispdre sipdre psidre spidre edipsr deipsr eidpsr iedpsr diepsr idepsr edpisr depisr epdisr pedisr dpeisr pdeisr eipdsr iepdsr epidsr peidsr ipedsr piedsr dipesr idpesr dpiesr pdiesr ipdesr pidesr edispr deispr eidspr iedspr diespr idespr edsipr desipr esdipr sedipr dseipr sdeipr eisdpr iesdpr esidpr seidpr isedpr siedpr disepr idsepr dsiepr sdiepr isdepr sidepr edpsir depsir epdsir pedsir dpesir pdesir edspir despir esdpir sedpir dsepir sdepir epsdir pesdir espdir sepdir psedir spedir dpseir pdseir dspeir sdpeir psdeir spdeir eipsdr iepsdr episdr peisdr ipesdr piesdr eispdr iespdr esipdr seipdr isepdr siepdr epsidr pesidr espidr sepidr pseidr speidr ipsedr pisedr ispedr sipedr psiedr spiedr dipser idpser dpiser pdiser ipdser pidser disper idsper dsiper sdiper isdper sidper dpsier pdsier dspier sdpier psdier spdier ipsder pisder ispder sipder psider spider
Note: these 'words' (valid or invalid) are all the permutations of the word redips. These words are obtained by scrambling the letters in redips.