ptosis tposis potsis optsis topsis otpsis ptsois tpsois pstois sptois tspois stpois postis opstis psotis spotis osptis soptis tospis otspis tsopis stopis ostpis sotpis ptoiss tpoiss potiss optiss topiss otpiss ptioss tpioss pitoss iptoss tiposs itposs poitss opitss piotss ipotss oiptss ioptss toipss otipss tiopss itopss oitpss iotpss ptsios tpsios pstios sptios tspios stpios ptisos tpisos pitsos iptsos tipsos itpsos psitos spitos pistos ipstos siptos isptos tsipos stipos tispos itspos sitpos istpos posits opsits psoits spoits ospits sopits poists opists piosts iposts oipsts iopsts psiots spiots pisots ipsots sipots ispots osipts soipts oispts iospts siopts isopts tosips otsips tsoips stoips ostips sotips toisps otisps tiosps itosps oitsps iotsps tsiops stiops tisops itsops sitops istops ositps soitps oistps iostps siotps isotps ptossi tpossi potssi optssi topssi otpssi ptsosi tpsosi pstosi sptosi tsposi stposi postsi opstsi psotsi spotsi osptsi soptsi tospsi otspsi tsopsi stopsi ostpsi sotpsi ptossi tpossi potssi optssi topssi otpssi ptsosi tpsosi pstosi sptosi tsposi stposi postsi opstsi psotsi spotsi osptsi soptsi tospsi otspsi tsopsi stopsi ostpsi sotpsi ptssoi tpssoi pstsoi sptsoi tspsoi stpsoi ptssoi tpssoi pstsoi sptsoi tspsoi stpsoi psstoi spstoi psstoi spstoi ssptoi ssptoi tsspoi stspoi tsspoi stspoi sstpoi sstpoi possti opssti psosti sposti ospsti sopsti possti opssti psosti sposti ospsti sopsti pssoti spsoti pssoti spsoti sspoti sspoti osspti sospti osspti sospti ssopti ssopti tosspi otsspi tsospi stospi ostspi sotspi tosspi otsspi tsospi stospi ostspi sotspi tssopi stsopi tssopi stsopi sstopi sstopi osstpi sostpi osstpi sostpi ssotpi ssotpi ptoiss tpoiss potiss optiss topiss otpiss ptioss tpioss pitoss iptoss tiposs itposs poitss opitss piotss ipotss oiptss ioptss toipss otipss tiopss itopss oitpss iotpss ptosis tposis potsis optsis topsis otpsis ptsois tpsois pstois sptois tspois stpois postis opstis psotis spotis osptis soptis tospis otspis tsopis stopis ostpis sotpis ptisos tpisos pitsos iptsos tipsos itpsos ptsios tpsios pstios sptios tspios stpios pistos ipstos psitos spitos isptos siptos tispos itspos tsipos stipos istpos sitpos poists opists piosts iposts oipsts iopsts posits opsits psoits spoits ospits sopits pisots ipsots psiots spiots ispots sipots oispts iospts osipts soipts isopts siopts toisps otisps tiosps itosps oitsps iotsps tosips otsips tsoips stoips ostips sotips tisops itsops tsiops stiops istops sitops oistps iostps ositps soitps isotps siotps ptsiso tpsiso pstiso sptiso tspiso stpiso ptisso tpisso pitsso iptsso tipsso itpsso psitso spitso pistso ipstso siptso isptso tsipso stipso tispso itspso sitpso istpso ptssio tpssio pstsio sptsio tspsio stpsio ptssio tpssio pstsio sptsio tspsio stpsio psstio spstio psstio spstio ssptio ssptio tsspio stspio tsspio stspio sstpio sstpio ptisso tpisso pitsso iptsso tipsso itpsso ptsiso tpsiso pstiso sptiso tspiso stpiso pistso ipstso psitso spitso isptso siptso tispso itspso tsipso stipso istpso sitpso psisto spisto pissto ipssto sipsto ispsto pssito spsito pssito spsito sspito sspito pissto ipssto psisto spisto ispsto sipsto sispto isspto ssipto ssipto isspto sispto tsispo stispo tisspo itsspo sitspo istspo tssipo stsipo tssipo stsipo sstipo sstipo tisspo itsspo tsispo stispo istspo sitspo sistpo isstpo ssitpo ssitpo isstpo sistpo posist opsist psoist spoist ospist sopist poisst opisst piosst iposst oipsst iopsst psiost spiost pisost ipsost sipost ispost osipst soipst oispst iospst siopst isopst possit opssit psosit sposit ospsit sopsit possit opssit psosit sposit ospsit sopsit pssoit spsoit pssoit spsoit sspoit sspoit osspit sospit osspit sospit ssopit ssopit poisst opisst piosst iposst oipsst iopsst posist opsist psoist spoist ospist sopist pisost ipsost psiost spiost ispost sipost oispst iospst osipst soipst isopst siopst psisot spisot pissot ipssot sipsot ispsot pssiot spsiot pssiot spsiot sspiot sspiot pissot ipssot psisot spisot ispsot sipsot sispot isspot ssipot ssipot isspot sispot osispt soispt oisspt iosspt siospt isospt ossipt sosipt ossipt sosipt ssoipt ssoipt oisspt iosspt osispt soispt isospt siospt sisopt issopt ssiopt ssiopt issopt sisopt tosisp otsisp tsoisp stoisp ostisp sotisp toissp otissp tiossp itossp oitssp iotssp tsiosp stiosp tisosp itsosp sitosp istosp ositsp soitsp oistsp iostsp siotsp isotsp tossip otssip tsosip stosip ostsip sotsip tossip otssip tsosip stosip ostsip sotsip tssoip stsoip tssoip stsoip sstoip sstoip osstip sostip osstip sostip ssotip ssotip toissp otissp tiossp itossp oitssp iotssp tosisp otsisp tsoisp stoisp ostisp sotisp tisosp itsosp tsiosp stiosp istosp sitosp oistsp iostsp ositsp soitsp isotsp siotsp tsisop stisop tissop itssop sitsop istsop tssiop stsiop tssiop stsiop sstiop sstiop tissop itssop tsisop stisop istsop sitsop sistop isstop ssitop ssitop isstop sistop osistp soistp oisstp iosstp siostp isostp ossitp sositp ossitp sositp ssoitp ssoitp oisstp iosstp osistp soistp isostp siostp sisotp issotp ssiotp ssiotp issotp sisotp
Note: these 'words' (valid or invalid) are all the permutations of the word ptosis. These words are obtained by scrambling the letters in ptosis.