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