prises rpises pirses iprses ripses irpses prsies rpsies psries spries rspies srpies pisres ipsres psires spires ispres sipres rispes irspes rsipes sripes isrpes sirpes priess rpiess piress ipress ripess irpess preiss rpeiss periss epriss repiss erpiss pierss iperss peirss epirss ieprss eiprss riepss irepss reipss eripss ierpss eirpss prseis rpseis psreis spreis rspeis srpeis presis rpesis persis eprsis repsis erpsis pseris speris pesris epsris sepris espris rsepis srepis respis erspis serpis esrpis pisers ipsers psiers spiers ispers sipers piesrs ipesrs peisrs episrs iepsrs eipsrs pseirs speirs pesirs epsirs sepirs espirs iseprs sieprs iesprs eisprs seiprs esiprs riseps irseps rsieps srieps isreps sireps riesps iresps reisps erisps iersps eirsps rseips sreips resips ersips serips esrips iserps sierps iesrps eisrps seirps esirps prisse rpisse pirsse iprsse ripsse irpsse prsise rpsise psrise sprise rspise srpise pisrse ipsrse psirse spirse isprse siprse rispse irspse rsipse sripse isrpse sirpse prisse rpisse pirsse iprsse ripsse irpsse prsise rpsise psrise sprise rspise srpise pisrse ipsrse psirse spirse isprse siprse rispse irspse rsipse sripse isrpse sirpse prssie rpssie psrsie sprsie rspsie srpsie prssie rpssie psrsie sprsie rspsie srpsie pssrie spsrie pssrie spsrie ssprie ssprie rsspie srspie rsspie srspie ssrpie ssrpie pissre ipssre psisre spisre ispsre sipsre pissre ipssre psisre spisre ispsre sipsre pssire spsire pssire spsire sspire sspire isspre sispre isspre sispre ssipre ssipre risspe irsspe rsispe srispe isrspe sirspe risspe irsspe rsispe srispe isrspe sirspe rssipe srsipe rssipe srsipe ssripe ssripe issrpe sisrpe issrpe sisrpe ssirpe ssirpe priess rpiess piress ipress ripess irpess preiss rpeiss periss epriss repiss erpiss pierss iperss peirss epirss ieprss eiprss riepss irepss reipss eripss ierpss eirpss prises rpises pirses iprses ripses irpses prsies rpsies psries spries rspies srpies pisres ipsres psires spires ispres sipres rispes irspes rsipes sripes isrpes sirpes presis rpesis persis eprsis repsis erpsis prseis rpseis psreis spreis rspeis srpeis pesris epsris pseris speris espris sepris respis erspis rsepis srepis esrpis serpis piesrs ipesrs peisrs episrs iepsrs eipsrs pisers ipsers psiers spiers ispers sipers pesirs epsirs pseirs speirs espirs sepirs iesprs eisprs iseprs sieprs esiprs seiprs riesps iresps reisps erisps iersps eirsps riseps irseps rsieps srieps isreps sireps resips ersips rseips sreips esrips serips iesrps eisrps iserps sierps esirps seirps prsesi rpsesi psresi spresi rspesi srpesi pressi rpessi perssi eprssi repssi erpssi psersi spersi pesrsi epsrsi seprsi esprsi rsepsi srepsi respsi erspsi serpsi esrpsi prssei rpssei psrsei sprsei rspsei srpsei prssei rpssei psrsei sprsei rspsei srpsei pssrei spsrei pssrei spsrei ssprei ssprei rsspei srspei rsspei srspei ssrpei ssrpei pressi rpessi perssi eprssi repssi erpssi prsesi rpsesi psresi spresi rspesi srpesi pesrsi epsrsi psersi spersi esprsi seprsi respsi erspsi rsepsi srepsi esrpsi serpsi psesri spesri pessri epssri sepsri espsri psseri spseri psseri spseri ssperi ssperi pessri epssri psesri spesri espsri sepsri sespri esspri ssepri ssepri esspri sespri rsespi srespi resspi ersspi serspi esrspi rssepi srsepi rssepi srsepi ssrepi ssrepi resspi ersspi rsespi srespi esrspi serspi sesrpi essrpi sserpi sserpi essrpi sesrpi pisesr ipsesr psiesr spiesr ispesr sipesr piessr ipessr peissr epissr iepssr eipssr pseisr speisr pesisr epsisr sepisr espisr isepsr siepsr iespsr eispsr seipsr esipsr pisser ipsser psiser spiser ispser sipser pisser ipsser psiser spiser ispser sipser pssier spsier pssier spsier sspier sspier issper sisper issper sisper ssiper ssiper piessr ipessr peissr epissr iepssr eipssr pisesr ipsesr psiesr spiesr ispesr sipesr pesisr epsisr pseisr speisr espisr sepisr iespsr eispsr isepsr siepsr esipsr seipsr psesir spesir pessir epssir sepsir espsir psseir spseir psseir spseir sspeir sspeir pessir epssir psesir spesir espsir sepsir sespir esspir ssepir ssepir esspir sespir isespr siespr iesspr eisspr seispr esispr issepr sisepr issepr sisepr ssiepr ssiepr iesspr eisspr isespr siespr esispr seispr sesipr essipr sseipr sseipr essipr sesipr risesp irsesp rsiesp sriesp isresp siresp riessp iressp reissp erissp ierssp eirssp rseisp sreisp resisp ersisp serisp esrisp isersp siersp iesrsp eisrsp seirsp esirsp rissep irssep rsisep srisep isrsep sirsep rissep irssep rsisep srisep isrsep sirsep rssiep srsiep rssiep srsiep ssriep ssriep issrep sisrep issrep sisrep ssirep ssirep riessp iressp reissp erissp ierssp eirssp risesp irsesp rsiesp sriesp isresp siresp resisp ersisp rseisp sreisp esrisp serisp iesrsp eisrsp isersp siersp esirsp seirsp rsesip sresip ressip erssip sersip esrsip rsseip srseip rsseip srseip ssreip ssreip ressip erssip rsesip sresip esrsip sersip sesrip essrip sserip sserip essrip sesrip isesrp siesrp iessrp eissrp seisrp esisrp isserp siserp isserp siserp ssierp ssierp iessrp eissrp isesrp siesrp esisrp seisrp sesirp essirp sseirp sseirp essirp sesirp
Note: these 'words' (valid or invalid) are all the permutations of the word prises. These words are obtained by scrambling the letters in prises.