priers rpiers pirers iprers ripers irpers preirs rpeirs perirs eprirs repirs erpirs pierrs iperrs peirrs epirrs ieprrs eiprrs rieprs ireprs reiprs eriprs ierprs eirprs prires rpires pirres iprres ripres irpres prries rpries prries rpries rrpies rrpies pirres iprres prires rpires irpres ripres rirpes irrpes rripes rripes irrpes rirpes preris rperis perris eprris repris erpris prreis rpreis prreis rpreis rrpeis rrpeis perris eprris preris rperis erpris repris rerpis errpis rrepis rrepis errpis rerpis pierrs iperrs peirrs epirrs ieprrs eiprrs pirers iprers priers rpiers irpers ripers perirs eprirs preirs rpeirs erpirs repirs ierprs eirprs ireprs rieprs eriprs reiprs rierps irerps reirps erirps ierrps eirrps rireps irreps rrieps rrieps irreps rireps rerips errips rreips rreips errips rerips ierrps eirrps irerps rierps erirps reirps priesr rpiesr piresr ipresr ripesr irpesr preisr rpeisr perisr eprisr repisr erpisr piersr ipersr peirsr epirsr ieprsr eiprsr riepsr irepsr reipsr eripsr ierpsr eirpsr priser rpiser pirser iprser ripser irpser prsier rpsier psrier sprier rspier srpier pisrer ipsrer psirer spirer isprer siprer risper irsper rsiper sriper isrper sirper presir rpesir persir eprsir repsir erpsir prseir rpseir psreir spreir rspeir srpeir pesrir epsrir pserir sperir esprir seprir respir erspir rsepir srepir esrpir serpir piesrr ipesrr peisrr episrr iepsrr eipsrr piserr ipserr psierr spierr isperr siperr pesirr epsirr pseirr speirr espirr sepirr iesprr eisprr iseprr sieprr esiprr seiprr riespr irespr reispr erispr ierspr eirspr risepr irsepr rsiepr sriepr isrepr sirepr resipr ersipr rseipr sreipr esripr seripr iesrpr eisrpr iserpr sierpr esirpr seirpr prirse rpirse pirrse iprrse riprse irprse prrise rprise prrise rprise rrpise rrpise pirrse iprrse prirse rpirse irprse riprse rirpse irrpse rripse rripse irrpse rirpse prisre rpisre pirsre iprsre ripsre irpsre prsire rpsire psrire sprire rspire srpire pisrre ipsrre psirre spirre isprre siprre rispre irspre rsipre sripre isrpre sirpre prrsie rprsie prrsie rprsie rrpsie rrpsie prsrie rpsrie psrrie sprrie rsprie srprie prsrie rpsrie psrrie sprrie rsprie srprie rrspie rrspie rsrpie srrpie rsrpie srrpie pirsre iprsre prisre rpisre irpsre ripsre pisrre ipsrre psirre spirre isprre siprre prsire rpsire psrire sprire rspire srpire irspre rispre isrpre sirpre rsipre sripre rirspe irrspe rrispe rrispe irrspe rirspe risrpe irsrpe rsirpe srirpe isrrpe sirrpe rrsipe rrsipe rsripe srripe rsripe srripe irsrpe risrpe isrrpe sirrpe rsirpe srirpe prersi rpersi perrsi eprrsi reprsi erprsi prresi rpresi prresi rpresi rrpesi rrpesi perrsi eprrsi prersi rpersi erprsi reprsi rerpsi errpsi rrepsi rrepsi errpsi rerpsi presri rpesri persri eprsri repsri erpsri prseri rpseri psreri spreri rsperi srperi pesrri epsrri pserri sperri esprri seprri respri erspri rsepri srepri esrpri serpri prrsei rprsei prrsei rprsei rrpsei rrpsei prsrei rpsrei psrrei sprrei rsprei srprei prsrei rpsrei psrrei sprrei rsprei srprei rrspei rrspei rsrpei srrpei rsrpei srrpei persri eprsri presri rpesri erpsri repsri pesrri epsrri pserri sperri esprri seprri prseri rpseri psreri spreri rsperi srperi erspri respri esrpri serpri rsepri srepri rerspi errspi rrespi rrespi errspi rerspi resrpi ersrpi rserpi srerpi esrrpi serrpi rrsepi rrsepi rsrepi srrepi rsrepi srrepi ersrpi resrpi esrrpi serrpi rserpi srerpi piersr ipersr peirsr epirsr ieprsr eiprsr piresr ipresr priesr rpiesr irpesr ripesr perisr eprisr preisr rpeisr erpisr repisr ierpsr eirpsr irepsr riepsr eripsr reipsr piesrr ipesrr peisrr episrr iepsrr eipsrr piserr ipserr psierr spierr isperr siperr pesirr epsirr pseirr speirr espirr sepirr iesprr eisprr iseprr sieprr esiprr seiprr pirser iprser priser rpiser irpser ripser pisrer ipsrer psirer spirer isprer siprer prsier rpsier psrier sprier rspier srpier irsper risper isrper sirper rsiper sriper persir eprsir presir rpesir erpsir repsir pesrir epsrir pserir sperir esprir seprir prseir rpseir psreir spreir rspeir srpeir erspir respir esrpir serpir rsepir srepir ierspr eirspr irespr riespr erispr reispr iesrpr eisrpr iserpr sierpr esirpr seirpr irsepr risepr isrepr sirepr rsiepr sriepr ersipr resipr esripr seripr rseipr sreipr riersp irersp reirsp erirsp ierrsp eirrsp riresp irresp rriesp rriesp irresp riresp rerisp errisp rreisp rreisp errisp rerisp ierrsp eirrsp irersp riersp erirsp reirsp riesrp iresrp reisrp erisrp iersrp eirsrp riserp irserp rsierp srierp isrerp sirerp resirp ersirp rseirp sreirp esrirp serirp iesrrp eisrrp iserrp sierrp esirrp seirrp rirsep irrsep rrisep rrisep irrsep rirsep risrep irsrep rsirep srirep isrrep sirrep rrsiep rrsiep rsriep srriep rsriep srriep irsrep risrep isrrep sirrep rsirep srirep rersip errsip rresip rresip errsip rersip resrip ersrip rserip srerip esrrip serrip rrseip rrseip rsreip srreip rsreip srreip ersrip resrip esrrip serrip rserip srerip iersrp eirsrp iresrp riesrp erisrp reisrp iesrrp eisrrp iserrp sierrp esirrp seirrp irserp riserp isrerp sirerp rsierp srierp ersirp resirp esrirp serirp rseirp sreirp
Note: these 'words' (valid or invalid) are all the permutations of the word priers. These words are obtained by scrambling the letters in priers.