sirups isrups sriups rsiups irsups risups siurps isurps suirps usirps iusrps uisrps sruips rsuips surips usrips rusips ursips irusps riusps iursps uirsps ruisps urisps sirpus isrpus sripus rsipus irspus rispus siprus isprus spirus psirus ipsrus pisrus srpius rspius sprius psrius rpsius prsius irpsus ripsus iprsus pirsus rpisus prisus siuprs isuprs suiprs usiprs iusprs uisprs sipurs ispurs spiurs psiurs ipsurs pisurs supirs uspirs spuirs psuirs upsirs pusirs iupsrs uipsrs ipusrs piusrs upisrs puisrs srupis rsupis surpis usrpis ruspis urspis srpuis rspuis spruis psruis rpsuis prsuis supris uspris spuris psuris upsris pusris rupsis urpsis rpusis prusis uprsis pursis irupss riupss iurpss uirpss ruipss uripss irpuss ripuss ipruss piruss rpiuss priuss iuprss uiprss ipurss piurss upirss puirss rupiss urpiss rpuiss pruiss upriss puriss sirusp isrusp sriusp rsiusp irsusp risusp siursp isursp suirsp usirsp iusrsp uisrsp sruisp rsuisp surisp usrisp rusisp ursisp irussp riussp iurssp uirssp ruissp urissp sirsup isrsup srisup rsisup irssup rissup sisrup issrup ssirup ssirup issrup sisrup srsiup rssiup ssriup ssriup rssiup srsiup irssup rissup isrsup sirsup rsisup srisup siusrp isusrp suisrp usisrp iussrp uissrp sisurp issurp ssiurp ssiurp issurp sisurp susirp ussirp ssuirp ssuirp ussirp susirp iussrp uissrp isusrp siusrp usisrp suisrp srusip rsusip sursip usrsip russip urssip srsuip rssuip ssruip ssruip rssuip srsuip susrip ussrip ssurip ssurip ussrip susrip russip urssip rsusip srusip usrsip sursip irussp riussp iurssp uirssp ruissp urissp irsusp risusp isrusp sirusp rsiusp sriusp iusrsp uisrsp isursp siursp usirsp suirsp rusisp ursisp rsuisp sruisp usrisp surisp sirpsu isrpsu sripsu rsipsu irspsu rispsu siprsu isprsu spirsu psirsu ipsrsu pisrsu srpisu rspisu sprisu psrisu rpsisu prsisu irpssu ripssu iprssu pirssu rpissu prissu sirspu isrspu srispu rsispu irsspu risspu sisrpu issrpu ssirpu ssirpu issrpu sisrpu srsipu rssipu ssripu ssripu rssipu srsipu irsspu risspu isrspu sirspu rsispu srispu sipsru ispsru spisru psisru ipssru pissru sispru isspru ssipru ssipru isspru sispru spsiru pssiru sspiru sspiru pssiru spsiru ipssru pissru ispsru sipsru psisru spisru srpsiu rspsiu sprsiu psrsiu rpssiu prssiu srspiu rsspiu ssrpiu ssrpiu rsspiu srspiu spsriu pssriu sspriu sspriu pssriu spsriu rpssiu prssiu rspsiu srpsiu psrsiu sprsiu irpssu ripssu iprssu pirssu rpissu prissu irspsu rispsu isrpsu sirpsu rsipsu sripsu ipsrsu pisrsu isprsu siprsu psirsu spirsu rpsisu prsisu rspisu srpisu psrisu sprisu siupsr isupsr suipsr usipsr iuspsr uispsr sipusr ispusr spiusr psiusr ipsusr pisusr supisr uspisr spuisr psuisr upsisr pusisr iupssr uipssr ipussr piussr upissr puissr siuspr isuspr suispr usispr iusspr uisspr sisupr issupr ssiupr ssiupr issupr sisupr susipr ussipr ssuipr ssuipr ussipr susipr iusspr uisspr isuspr siuspr usispr suispr sipsur ispsur spisur psisur ipssur pissur sispur isspur ssipur ssipur isspur sispur spsiur pssiur sspiur sspiur pssiur spsiur ipssur pissur ispsur sipsur psisur spisur supsir uspsir spusir psusir upssir pussir suspir usspir ssupir ssupir usspir suspir spsuir pssuir sspuir sspuir pssuir spsuir upssir pussir uspsir supsir psusir spusir iupssr uipssr ipussr piussr upissr puissr iuspsr uispsr isupsr siupsr usipsr suipsr ipsusr pisusr ispusr sipusr psiusr spiusr upsisr pusisr uspisr supisr psuisr spuisr srupsi rsupsi surpsi usrpsi ruspsi urspsi srpusi rspusi sprusi psrusi rpsusi prsusi suprsi usprsi spursi psursi upsrsi pusrsi rupssi urpssi rpussi prussi uprssi purssi sruspi rsuspi surspi usrspi russpi ursspi srsupi rssupi ssrupi ssrupi rssupi srsupi susrpi ussrpi ssurpi ssurpi ussrpi susrpi russpi ursspi rsuspi sruspi usrspi surspi srpsui rspsui sprsui psrsui rpssui prssui srspui rsspui ssrpui ssrpui rsspui srspui spsrui pssrui ssprui ssprui pssrui spsrui rpssui prssui rspsui srpsui psrsui sprsui supsri uspsri spusri psusri upssri pussri suspri usspri ssupri ssupri usspri suspri spsuri pssuri sspuri sspuri pssuri spsuri upssri pussri uspsri supsri psusri spusri rupssi urpssi rpussi prussi uprssi purssi ruspsi urspsi rsupsi srupsi usrpsi surpsi rpsusi prsusi rspusi srpusi psrusi sprusi upsrsi pusrsi usprsi suprsi psursi spursi irupss riupss iurpss uirpss ruipss uripss irpuss ripuss ipruss piruss rpiuss priuss iuprss uiprss ipurss piurss upirss puirss rupiss urpiss rpuiss pruiss upriss puriss irusps riusps iursps uirsps ruisps urisps irsups risups isrups sirups rsiups sriups iusrps uisrps isurps siurps usirps suirps rusips ursips rsuips sruips usrips surips irpsus ripsus iprsus pirsus rpisus prisus irspus rispus isrpus sirpus rsipus sripus ipsrus pisrus isprus siprus psirus spirus rpsius prsius rspius srpius psrius sprius iupsrs uipsrs ipusrs piusrs upisrs puisrs iusprs uisprs isuprs siuprs usiprs suiprs ipsurs pisurs ispurs sipurs psiurs spiurs upsirs pusirs uspirs supirs psuirs spuirs rupsis urpsis rpusis prusis uprsis pursis ruspis urspis rsupis srupis usrpis surpis rpsuis prsuis rspuis srpuis psruis spruis upsris pusris uspris supris psuris spuris
Note: these 'words' (valid or invalid) are all the permutations of the word sirups. These words are obtained by scrambling the letters in sirups.