prases rpases parses aprses rapses arpses prsaes rpsaes psraes spraes rspaes srpaes pasres apsres psares spares aspres sapres raspes arspes rsapes srapes asrpes sarpes praess rpaess paress apress rapess arpess preass rpeass perass eprass repass erpass paerss aperss pearss eparss aeprss eaprss raepss arepss reapss erapss aerpss earpss prseas rpseas psreas spreas rspeas srpeas presas rpesas persas eprsas repsas erpsas pseras speras pesras epsras sepras espras rsepas srepas respas erspas serpas esrpas pasers apsers psaers spaers aspers sapers paesrs apesrs peasrs epasrs aepsrs eapsrs psears spears pesars epsars separs espars aseprs saeprs aesprs easprs seaprs esaprs raseps arseps rsaeps sraeps asreps sareps raesps aresps reasps erasps aersps earsps rseaps sreaps resaps ersaps seraps esraps aserps saerps aesrps easrps searps esarps prasse rpasse parsse aprsse rapsse arpsse prsase rpsase psrase sprase rspase srpase pasrse apsrse psarse sparse asprse saprse raspse arspse rsapse srapse asrpse sarpse prasse rpasse parsse aprsse rapsse arpsse prsase rpsase psrase sprase rspase srpase pasrse apsrse psarse sparse asprse saprse raspse arspse rsapse srapse asrpse sarpse prssae rpssae psrsae sprsae rspsae srpsae prssae rpssae psrsae sprsae rspsae srpsae pssrae spsrae pssrae spsrae ssprae ssprae rsspae srspae rsspae srspae ssrpae ssrpae passre apssre psasre spasre aspsre sapsre passre apssre psasre spasre aspsre sapsre pssare spsare pssare spsare sspare sspare asspre saspre asspre saspre ssapre ssapre rasspe arsspe rsaspe sraspe asrspe sarspe rasspe arsspe rsaspe sraspe asrspe sarspe rssape srsape rssape srsape ssrape ssrape assrpe sasrpe assrpe sasrpe ssarpe ssarpe praess rpaess paress apress rapess arpess preass rpeass perass eprass repass erpass paerss aperss pearss eparss aeprss eaprss raepss arepss reapss erapss aerpss earpss prases rpases parses aprses rapses arpses prsaes rpsaes psraes spraes rspaes srpaes pasres apsres psares spares aspres sapres raspes arspes rsapes srapes asrpes sarpes presas rpesas persas eprsas repsas erpsas prseas rpseas psreas spreas rspeas srpeas pesras epsras pseras speras espras sepras respas erspas rsepas srepas esrpas serpas paesrs apesrs peasrs epasrs aepsrs eapsrs pasers apsers psaers spaers aspers sapers pesars epsars psears spears espars separs aesprs easprs aseprs saeprs esaprs seaprs raesps aresps reasps erasps aersps earsps raseps arseps rsaeps sraeps asreps sareps resaps ersaps rseaps sreaps esraps seraps aesrps easrps aserps saerps esarps searps prsesa rpsesa psresa spresa rspesa srpesa pressa rpessa perssa eprssa repssa erpssa psersa spersa pesrsa epsrsa seprsa esprsa rsepsa srepsa respsa erspsa serpsa esrpsa prssea rpssea psrsea sprsea rspsea srpsea prssea rpssea psrsea sprsea rspsea srpsea pssrea spsrea pssrea spsrea ssprea ssprea rsspea srspea rsspea srspea ssrpea ssrpea pressa rpessa perssa eprssa repssa erpssa prsesa rpsesa psresa spresa rspesa srpesa pesrsa epsrsa psersa spersa esprsa seprsa respsa erspsa rsepsa srepsa esrpsa serpsa psesra spesra pessra epssra sepsra espsra pssera spsera pssera spsera sspera sspera pessra epssra psesra spesra espsra sepsra sespra esspra ssepra ssepra esspra sespra rsespa srespa resspa ersspa serspa esrspa rssepa srsepa rssepa srsepa ssrepa ssrepa resspa ersspa rsespa srespa esrspa serspa sesrpa essrpa sserpa sserpa essrpa sesrpa pasesr apsesr psaesr spaesr aspesr sapesr paessr apessr peassr epassr aepssr eapssr pseasr speasr pesasr epsasr sepasr espasr asepsr saepsr aespsr easpsr seapsr esapsr passer apsser psaser spaser aspser sapser passer apsser psaser spaser aspser sapser pssaer spsaer pssaer spsaer sspaer sspaer assper sasper assper sasper ssaper ssaper paessr apessr peassr epassr aepssr eapssr pasesr apsesr psaesr spaesr aspesr sapesr pesasr epsasr pseasr speasr espasr sepasr aespsr easpsr asepsr saepsr esapsr seapsr psesar spesar pessar epssar sepsar espsar pssear spsear pssear spsear sspear sspear pessar epssar psesar spesar espsar sepsar sespar esspar ssepar ssepar esspar sespar asespr saespr aesspr easspr seaspr esaspr assepr sasepr assepr sasepr ssaepr ssaepr aesspr easspr asespr saespr esaspr seaspr sesapr essapr sseapr sseapr essapr sesapr rasesp arsesp rsaesp sraesp asresp saresp raessp aressp reassp erassp aerssp earssp rseasp sreasp resasp ersasp serasp esrasp asersp saersp aesrsp easrsp searsp esarsp rassep arssep rsasep srasep asrsep sarsep rassep arssep rsasep srasep asrsep sarsep rssaep srsaep rssaep srsaep ssraep ssraep assrep sasrep assrep sasrep ssarep ssarep raessp aressp reassp erassp aerssp earssp rasesp arsesp rsaesp sraesp asresp saresp resasp ersasp rseasp sreasp esrasp serasp aesrsp easrsp asersp saersp esarsp searsp rsesap sresap ressap erssap sersap esrsap rsseap srseap rsseap srseap ssreap ssreap ressap erssap rsesap sresap esrsap sersap sesrap essrap sserap sserap essrap sesrap asesrp saesrp aessrp eassrp seasrp esasrp asserp saserp asserp saserp ssaerp ssaerp aessrp eassrp asesrp saesrp esasrp seasrp sesarp essarp ssearp ssearp essarp sesarp
Note: these 'words' (valid or invalid) are all the permutations of the word prases. These words are obtained by scrambling the letters in prases.