topers otpers tpoers ptoers opters poters toeprs oteprs teoprs etoprs oetprs eotprs tpeors pteors tepors etpors petors eptors opetrs poetrs oeptrs eoptrs peotrs epotrs topres otpres tpores ptores optres potres torpes otrpes tropes rtopes ortpes rotpes tproes ptroes trpoes rtpoes prtoes rptoes oprtes portes orptes roptes protes rpotes toerps oterps teorps etorps oetrps eotrps toreps otreps troeps rtoeps orteps roteps terops etrops treops rteops ertops retops oertps eortps oretps roetps erotps reotps tperos pteros tepros etpros petros eptros tpreos ptreos trpeos rtpeos prteos rpteos terpos etrpos trepos rtepos ertpos retpos pertos eprtos pretos rpetos erptos reptos operts poerts oeprts eoprts peorts eports oprets porets orpets ropets proets rpoets oerpts eorpts orepts roepts eropts reopts perots eprots preots rpeots erpots repots topesr otpesr tpoesr ptoesr optesr potesr toepsr otepsr teopsr etopsr oetpsr eotpsr tpeosr pteosr teposr etposr petosr eptosr opetsr poetsr oeptsr eoptsr peotsr epotsr topser otpser tposer ptoser optser potser tosper otsper tsoper stoper ostper sotper tpsoer ptsoer tspoer stpoer pstoer sptoer opster poster ospter sopter psoter spoter toespr otespr teospr etospr oetspr eotspr tosepr otsepr tsoepr stoepr ostepr sotepr tesopr etsopr tseopr steopr estopr setopr oestpr eostpr osetpr soetpr esotpr seotpr tpesor ptesor tepsor etpsor petsor eptsor tpseor ptseor tspeor stpeor psteor spteor tespor etspor tsepor stepor estpor setpor pestor epstor psetor spetor esptor septor opestr poestr oepstr eopstr peostr epostr opsetr posetr ospetr sopetr psoetr spoetr oesptr eosptr oseptr soeptr esoptr seoptr pesotr epsotr pseotr speotr espotr sepotr toprse otprse tporse ptorse optrse potrse torpse otrpse tropse rtopse ortpse rotpse tprose ptrose trpose rtpose prtose rptose oprtse portse orptse roptse protse rpotse topsre otpsre tposre ptosre optsre potsre tospre otspre tsopre stopre ostpre sotpre tpsore ptsore tspore stpore pstore sptore opstre postre osptre soptre psotre spotre torspe otrspe trospe rtospe ortspe rotspe tosrpe otsrpe tsorpe storpe ostrpe sotrpe trsope rtsope tsrope strope rstope srtope orstpe rostpe osrtpe sortpe rsotpe srotpe tprsoe ptrsoe trpsoe rtpsoe prtsoe rptsoe tpsroe ptsroe tsproe stproe pstroe sptroe trspoe rtspoe tsrpoe strpoe rstpoe srtpoe prstoe rpstoe psrtoe sprtoe rsptoe srptoe oprste porste orpste ropste proste rposte opsrte posrte osprte soprte psorte sporte orspte rospte osrpte sorpte rsopte sropte prsote rpsote psrote sprote rspote srpote toersp otersp teorsp etorsp oetrsp eotrsp toresp otresp troesp rtoesp ortesp rotesp terosp etrosp treosp rteosp ertosp retosp oertsp eortsp oretsp roetsp erotsp reotsp toesrp otesrp teosrp etosrp oetsrp eotsrp toserp otserp tsoerp stoerp osterp soterp tesorp etsorp tseorp steorp estorp setorp oestrp eostrp osetrp soetrp esotrp seotrp torsep otrsep trosep rtosep ortsep rotsep tosrep otsrep tsorep storep ostrep sotrep trsoep rtsoep tsroep stroep rstoep srtoep orstep rostep osrtep sortep rsotep srotep tersop etrsop tresop rtesop ertsop retsop tesrop etsrop tserop sterop estrop setrop trseop rtseop tsreop streop rsteop srteop erstop restop esrtop sertop rsetop sretop oerstp eorstp orestp roestp erostp reostp oesrtp eosrtp osertp soertp esortp seortp orsetp rosetp osretp soretp rsoetp sroetp ersotp resotp esrotp serotp rseotp sreotp tperso pterso teprso etprso petrso eptrso tpreso ptreso trpeso rtpeso prteso rpteso terpso etrpso trepso rtepso ertpso retpso pertso eprtso pretso rpetso erptso reptso tpesro ptesro tepsro etpsro petsro eptsro tpsero ptsero tspero stpero pstero sptero tespro etspro tsepro stepro estpro setpro pestro epstro psetro spetro esptro septro tprseo ptrseo trpseo rtpseo prtseo rptseo tpsreo ptsreo tspreo stpreo pstreo sptreo trspeo rtspeo tsrpeo strpeo rstpeo srtpeo prsteo rpsteo psrteo sprteo rspteo srpteo terspo etrspo trespo rtespo ertspo retspo tesrpo etsrpo tserpo sterpo estrpo setrpo trsepo rtsepo tsrepo strepo rstepo srtepo erstpo restpo esrtpo sertpo rsetpo sretpo persto eprsto presto rpesto erpsto repsto pesrto epsrto pserto sperto esprto seprto prseto rpseto psreto spreto rspeto srpeto erspto respto esrpto serpto rsepto srepto operst poerst oeprst eoprst peorst eporst oprest porest orpest ropest proest rpoest oerpst eorpst orepst roepst eropst reopst perost eprost preost rpeost erpost repost opesrt poesrt oepsrt eopsrt peosrt eposrt opsert posert ospert sopert psoert spoert oesprt eosprt oseprt soeprt esoprt seoprt pesort epsort pseort speort esport seport oprset porset orpset ropset proset rposet opsret posret ospret sopret psoret sporet orspet rospet osrpet sorpet rsopet sropet prsoet rpsoet psroet sproet rspoet srpoet oerspt eorspt orespt roespt erospt reospt oesrpt eosrpt oserpt soerpt esorpt seorpt orsept rosept osrept sorept rsoept sroept ersopt resopt esropt seropt rseopt sreopt persot eprsot presot rpesot erpsot repsot pesrot epsrot pserot sperot esprot seprot prseot rpseot psreot spreot rspeot srpeot erspot respot esrpot serpot rsepot srepot
Note: these 'words' (valid or invalid) are all the permutations of the word topers. These words are obtained by scrambling the letters in topers.