ropers orpers rpoers proers oprers porers roeprs oreprs reoprs eroprs oerprs eorprs rpeors preors repors erpors perors eprors operrs poerrs oeprrs eoprrs peorrs eporrs ropres orpres rpores prores oprres porres rorpes orrpes rropes rropes orrpes rorpes rproes prroes rrpoes rrpoes prroes rproes oprres porres orpres ropres prores rpores roerps orerps reorps erorps oerrps eorrps roreps orreps rroeps rroeps orreps roreps rerops errops rreops rreops errops rerops oerrps eorrps orerps roerps erorps reorps rperos preros repros erpros perros eprros rpreos prreos rrpeos rrpeos prreos rpreos rerpos errpos rrepos rrepos errpos rerpos perros eprros preros rperos erpros repros operrs poerrs oeprrs eoprrs peorrs eporrs oprers porers orpers ropers proers rpoers oerprs eorprs oreprs roeprs eroprs reoprs perors eprors preors rpeors erpors repors ropesr orpesr rpoesr proesr opresr poresr roepsr orepsr reopsr eropsr oerpsr eorpsr rpeosr preosr reposr erposr perosr eprosr opersr poersr oeprsr eoprsr peorsr eporsr ropser orpser rposer proser oprser porser rosper orsper rsoper sroper osrper sorper rpsoer prsoer rspoer srpoer psroer sproer opsrer posrer osprer soprer psorer sporer roespr orespr reospr erospr oerspr eorspr rosepr orsepr rsoepr sroepr osrepr sorepr resopr ersopr rseopr sreopr esropr seropr oesrpr eosrpr oserpr soerpr esorpr seorpr rpesor presor repsor erpsor persor eprsor rpseor prseor rspeor srpeor psreor spreor respor erspor rsepor srepor esrpor serpor pesror epsror pseror speror espror sepror opesrr poesrr oepsrr eopsrr peosrr eposrr opserr poserr osperr soperr psoerr spoerr oesprr eosprr oseprr soeprr esoprr seoprr pesorr epsorr pseorr speorr esporr seporr roprse orprse rporse prorse oprrse porrse rorpse orrpse rropse rropse orrpse rorpse rprose prrose rrpose rrpose prrose rprose oprrse porrse orprse roprse prorse rporse ropsre orpsre rposre prosre oprsre porsre rospre orspre rsopre sropre osrpre sorpre rpsore prsore rspore srpore psrore sprore opsrre posrre osprre soprre psorre sporre rorspe orrspe rrospe rrospe orrspe rorspe rosrpe orsrpe rsorpe srorpe osrrpe sorrpe rrsope rrsope rsrope srrope rsrope srrope orsrpe rosrpe osrrpe sorrpe rsorpe srorpe rprsoe prrsoe rrpsoe rrpsoe prrsoe rprsoe rpsroe prsroe rsproe srproe psrroe sprroe rrspoe rrspoe rsrpoe srrpoe rsrpoe srrpoe prsroe rpsroe psrroe sprroe rsproe srproe oprsre porsre orpsre ropsre prosre rposre opsrre posrre osprre soprre psorre sporre orspre rospre osrpre sorpre rsopre sropre prsore rpsore psrore sprore rspore srpore roersp orersp reorsp erorsp oerrsp eorrsp roresp orresp rroesp rroesp orresp roresp rerosp errosp rreosp rreosp errosp rerosp oerrsp eorrsp orersp roersp erorsp reorsp roesrp oresrp reosrp erosrp oersrp eorsrp roserp orserp rsoerp sroerp osrerp sorerp resorp ersorp rseorp sreorp esrorp serorp oesrrp eosrrp oserrp soerrp esorrp seorrp rorsep orrsep rrosep rrosep orrsep rorsep rosrep orsrep rsorep srorep osrrep sorrep rrsoep rrsoep rsroep srroep rsroep srroep orsrep rosrep osrrep sorrep rsorep srorep rersop errsop rresop rresop errsop rersop resrop ersrop rserop srerop esrrop serrop rrseop rrseop rsreop srreop rsreop srreop ersrop resrop esrrop serrop rserop srerop oersrp eorsrp oresrp roesrp erosrp reosrp oesrrp eosrrp oserrp soerrp esorrp seorrp orserp roserp osrerp sorerp rsoerp sroerp ersorp resorp esrorp serorp rseorp sreorp rperso prerso reprso erprso perrso eprrso rpreso prreso rrpeso rrpeso prreso rpreso rerpso errpso rrepso rrepso errpso rerpso perrso eprrso prerso rperso erprso reprso rpesro presro repsro erpsro persro eprsro rpsero prsero rspero srpero psrero sprero respro erspro rsepro srepro esrpro serpro pesrro epsrro pserro sperro esprro seprro rprseo prrseo rrpseo rrpseo prrseo rprseo rpsreo prsreo rspreo srpreo psrreo sprreo rrspeo rrspeo rsrpeo srrpeo rsrpeo srrpeo prsreo rpsreo psrreo sprreo rspreo srpreo rerspo errspo rrespo rrespo errspo rerspo resrpo ersrpo rserpo srerpo esrrpo serrpo rrsepo rrsepo rsrepo srrepo rsrepo srrepo ersrpo resrpo esrrpo serrpo rserpo srerpo persro eprsro presro rpesro erpsro repsro pesrro epsrro pserro sperro esprro seprro prsero rpsero psrero sprero rspero srpero erspro respro esrpro serpro rsepro srepro opersr poersr oeprsr eoprsr peorsr eporsr opresr poresr orpesr ropesr proesr rpoesr oerpsr eorpsr orepsr roepsr eropsr reopsr perosr eprosr preosr rpeosr erposr reposr opesrr poesrr oepsrr eopsrr peosrr eposrr opserr poserr osperr soperr psoerr spoerr oesprr eosprr oseprr soeprr esoprr seoprr pesorr epsorr pseorr speorr esporr seporr oprser porser orpser ropser proser rposer opsrer posrer osprer soprer psorer sporer orsper rosper osrper sorper rsoper sroper prsoer rpsoer psroer sproer rspoer srpoer oerspr eorspr orespr roespr erospr reospr oesrpr eosrpr oserpr soerpr esorpr seorpr orsepr rosepr osrepr sorepr rsoepr sroepr ersopr resopr esropr seropr rseopr sreopr persor eprsor presor rpesor erpsor repsor pesror epsror pseror speror espror sepror prseor rpseor psreor spreor rspeor srpeor erspor respor esrpor serpor rsepor srepor
Note: these 'words' (valid or invalid) are all the permutations of the word ropers. These words are obtained by scrambling the letters in ropers.