pistes ipstes psites spites isptes siptes pitses iptses ptises tpises itpses tipses psties spties ptsies tpsies stpies tspies istpes sitpes itspes tispes stipes tsipes pisets ipsets psiets spiets ispets sipets piests ipests peists epists iepsts eipsts pseits speits pesits epsits sepits espits isepts siepts iespts eispts seipts esipts pitess iptess ptiess tpiess itpess tipess pietss ipetss peitss epitss ieptss eiptss pteiss tpeiss petiss eptiss tepiss etpiss itepss tiepss ietpss eitpss teipss etipss psteis spteis ptseis tpseis stpeis tspeis psetis spetis pestis epstis septis esptis ptesis tpesis petsis eptsis tepsis etpsis stepis tsepis setpis estpis tespis etspis isteps siteps itseps tiseps stieps tsieps isetps sietps iestps eistps seitps esitps itesps tiesps ietsps eitsps teisps etisps steips tseips setips estips tesips etsips pistse ipstse psitse spitse isptse siptse pitsse iptsse ptisse tpisse itpsse tipsse pstise sptise ptsise tpsise stpise tspise istpse sitpse itspse tispse stipse tsipse pisste ipsste psiste spiste ispste sipste pisste ipsste psiste spiste ispste sipste pssite spsite pssite spsite sspite sspite isspte sispte isspte sispte ssipte ssipte pitsse iptsse ptisse tpisse itpsse tipsse pistse ipstse psitse spitse isptse siptse ptsise tpsise pstise sptise tspise stpise itspse tispse istpse sitpse tsipse stipse pstsie sptsie ptssie tpssie stpsie tspsie psstie spstie psstie spstie ssptie ssptie ptssie tpssie pstsie sptsie tspsie stpsie stspie tsspie sstpie sstpie tsspie stspie istspe sitspe itsspe tisspe stispe tsispe isstpe sistpe isstpe sistpe ssitpe ssitpe itsspe tisspe istspe sitspe tsispe stispe stsipe tssipe sstipe sstipe tssipe stsipe pisest ipsest psiest spiest ispest sipest piesst ipesst peisst episst iepsst eipsst pseist speist pesist epsist sepist espist isepst siepst iespst eispst seipst esipst pisset ipsset psiset spiset ispset sipset pisset ipsset psiset spiset ispset sipset pssiet spsiet pssiet spsiet sspiet sspiet isspet sispet isspet sispet ssipet ssipet piesst ipesst peisst episst iepsst eipsst pisest ipsest psiest spiest ispest sipest pesist epsist pseist speist espist sepist iespst eispst isepst siepst esipst seipst psesit spesit pessit epssit sepsit espsit psseit spseit psseit spseit sspeit sspeit pessit epssit psesit spesit espsit sepsit sespit esspit ssepit ssepit esspit sespit isespt siespt iesspt eisspt seispt esispt issept sisept issept sisept ssiept ssiept iesspt eisspt isespt siespt esispt seispt sesipt essipt sseipt sseipt essipt sesipt pitess iptess ptiess tpiess itpess tipess pietss ipetss peitss epitss ieptss eiptss pteiss tpeiss petiss eptiss tepiss etpiss itepss tiepss ietpss eitpss teipss etipss pitses iptses ptises tpises itpses tipses pistes ipstes psites spites isptes siptes ptsies tpsies psties spties tspies stpies itspes tispes istpes sitpes tsipes stipes piests ipests peists epists iepsts eipsts pisets ipsets psiets spiets ispets sipets pesits epsits pseits speits espits sepits iespts eispts isepts siepts esipts seipts ptesis tpesis petsis eptsis tepsis etpsis ptseis tpseis psteis spteis tspeis stpeis pestis epstis psetis spetis esptis septis tespis etspis tsepis stepis estpis setpis itesps tiesps ietsps eitsps teisps etisps itseps tiseps isteps siteps tsieps stieps iestps eistps isetps sietps esitps seitps tesips etsips tseips steips estips setips pstesi sptesi ptsesi tpsesi stpesi tspesi psetsi spetsi pestsi epstsi septsi esptsi ptessi tpessi petssi eptssi tepssi etpssi stepsi tsepsi setpsi estpsi tespsi etspsi pstsei sptsei ptssei tpssei stpsei tspsei psstei spstei psstei spstei ssptei ssptei ptssei tpssei pstsei sptsei tspsei stpsei stspei tsspei sstpei sstpei tsspei stspei psesti spesti pessti epssti sepsti espsti psseti spseti psseti spseti sspeti sspeti pessti epssti psesti spesti espsti sepsti sespti esspti ssepti ssepti esspti sespti ptessi tpessi petssi eptssi tepssi etpssi ptsesi tpsesi pstesi sptesi tspesi stpesi pestsi epstsi psetsi spetsi esptsi septsi tespsi etspsi tsepsi stepsi estpsi setpsi stespi tsespi setspi estspi tesspi etsspi stsepi tssepi sstepi sstepi tssepi stsepi sestpi esstpi ssetpi ssetpi esstpi sestpi tesspi etsspi tsespi stespi estspi setspi istesp sitesp itsesp tisesp stiesp tsiesp isetsp sietsp iestsp eistsp seitsp esitsp itessp tiessp ietssp eitssp teissp etissp steisp tseisp setisp estisp tesisp etsisp istsep sitsep itssep tissep stisep tsisep isstep sistep isstep sistep ssitep ssitep itssep tissep istsep sitsep tsisep stisep stsiep tssiep sstiep sstiep tssiep stsiep isestp siestp iesstp eisstp seistp esistp issetp sisetp issetp sisetp ssietp ssietp iesstp eisstp isestp siestp esistp seistp sesitp essitp sseitp sseitp essitp sesitp itessp tiessp ietssp eitssp teissp etissp itsesp tisesp istesp sitesp tsiesp stiesp iestsp eistsp isetsp sietsp esitsp seitsp tesisp etsisp tseisp steisp estisp setisp stesip tsesip setsip estsip tessip etssip stseip tsseip ssteip ssteip tsseip stseip sestip esstip ssetip ssetip esstip sestip tessip etssip tsesip stesip estsip setsip
Note: these 'words' (valid or invalid) are all the permutations of the word pistes. These words are obtained by scrambling the letters in pistes.