pigsty ipgsty pgisty gpisty igpsty gipsty pisgty ipsgty psigty spigty ispgty sipgty pgsity gpsity psgity spgity gspity sgpity igspty gispty isgpty sigpty gsipty sgipty pigtsy ipgtsy pgitsy gpitsy igptsy giptsy pitgsy iptgsy ptigsy tpigsy itpgsy tipgsy pgtisy gptisy ptgisy tpgisy gtpisy tgpisy igtpsy gitpsy itgpsy tigpsy gtipsy tgipsy pistgy ipstgy psitgy spitgy isptgy siptgy pitsgy iptsgy ptisgy tpisgy itpsgy tipsgy pstigy sptigy ptsigy tpsigy stpigy tspigy istpgy sitpgy itspgy tispgy stipgy tsipgy pgstiy gpstiy psgtiy spgtiy gsptiy sgptiy pgtsiy gptsiy ptgsiy tpgsiy gtpsiy tgpsiy pstgiy sptgiy ptsgiy tpsgiy stpgiy tspgiy gstpiy sgtpiy gtspiy tgspiy stgpiy tsgpiy igstpy gistpy isgtpy sigtpy gsitpy sgitpy igtspy gitspy itgspy tigspy gtispy tgispy istgpy sitgpy itsgpy tisgpy stigpy tsigpy gstipy sgtipy gtsipy tgsipy stgipy tsgipy pigsyt ipgsyt pgisyt gpisyt igpsyt gipsyt pisgyt ipsgyt psigyt spigyt ispgyt sipgyt pgsiyt gpsiyt psgiyt spgiyt gspiyt sgpiyt igspyt gispyt isgpyt sigpyt gsipyt sgipyt pigyst ipgyst pgiyst gpiyst igpyst gipyst piygst ipygst pyigst ypigst iypgst yipgst pgyist gpyist pygist ypgist gypist ygpist igypst giypst iygpst yigpst gyipst ygipst pisygt ipsygt psiygt spiygt ispygt sipygt piysgt ipysgt pyisgt ypisgt iypsgt yipsgt psyigt spyigt pysigt ypsigt sypigt yspigt isypgt siypgt iyspgt yispgt syipgt ysipgt pgsyit gpsyit psgyit spgyit gspyit sgpyit pgysit gpysit pygsit ypgsit gypsit ygpsit psygit spygit pysgit ypsgit sypgit yspgit gsypit sgypit gyspit ygspit sygpit ysgpit igsypt gisypt isgypt sigypt gsiypt sgiypt igyspt giyspt iygspt yigspt gyispt ygispt isygpt siygpt iysgpt yisgpt syigpt ysigpt gsyipt sgyipt gysipt ygsipt sygipt ysgipt pigtys ipgtys pgitys gpitys igptys giptys pitgys iptgys ptigys tpigys itpgys tipgys pgtiys gptiys ptgiys tpgiys gtpiys tgpiys igtpys gitpys itgpys tigpys gtipys tgipys pigyts ipgyts pgiyts gpiyts igpyts gipyts piygts ipygts pyigts ypigts iypgts yipgts pgyits gpyits pygits ypgits gypits ygpits igypts giypts iygpts yigpts gyipts ygipts pitygs iptygs ptiygs tpiygs itpygs tipygs piytgs ipytgs pyitgs ypitgs iyptgs yiptgs ptyigs tpyigs pytigs yptigs typigs ytpigs itypgs tiypgs iytpgs yitpgs tyipgs ytipgs pgtyis gptyis ptgyis tpgyis gtpyis tgpyis pgytis gpytis pygtis ypgtis gyptis ygptis ptygis tpygis pytgis yptgis typgis ytpgis gtypis tgypis gytpis ygtpis tygpis ytgpis igtyps gityps itgyps tigyps gtiyps tgiyps igytps giytps iygtps yigtps gyitps ygitps itygps tiygps iytgps yitgps tyigps ytigps gtyips tgyips gytips ygtips tygips ytgips pistyg ipstyg psityg spityg isptyg siptyg pitsyg iptsyg ptisyg tpisyg itpsyg tipsyg pstiyg sptiyg ptsiyg tpsiyg stpiyg tspiyg istpyg sitpyg itspyg tispyg stipyg tsipyg pisytg ipsytg psiytg spiytg ispytg sipytg piystg ipystg pyistg ypistg iypstg yipstg psyitg spyitg pysitg ypsitg sypitg yspitg isyptg siyptg iysptg yisptg syiptg ysiptg pitysg iptysg ptiysg tpiysg itpysg tipysg piytsg ipytsg pyitsg ypitsg iyptsg yiptsg ptyisg tpyisg pytisg yptisg typisg ytpisg itypsg tiypsg iytpsg yitpsg tyipsg ytipsg pstyig sptyig ptsyig tpsyig stpyig tspyig psytig spytig pystig ypstig syptig ysptig ptysig tpysig pytsig yptsig typsig ytpsig stypig tsypig sytpig ystpig tyspig ytspig istypg sitypg itsypg tisypg stiypg tsiypg isytpg siytpg iystpg yistpg syitpg ysitpg ityspg tiyspg iytspg yitspg tyispg ytispg styipg tsyipg sytipg ystipg tysipg ytsipg pgstyi gpstyi psgtyi spgtyi gsptyi sgptyi pgtsyi gptsyi ptgsyi tpgsyi gtpsyi tgpsyi pstgyi sptgyi ptsgyi tpsgyi stpgyi tspgyi gstpyi sgtpyi gtspyi tgspyi stgpyi tsgpyi pgsyti gpsyti psgyti spgyti gspyti sgpyti pgysti gpysti pygsti ypgsti gypsti ygpsti psygti spygti pysgti ypsgti sypgti yspgti gsypti sgypti gyspti ygspti sygpti ysgpti pgtysi gptysi ptgysi tpgysi gtpysi tgpysi pgytsi gpytsi pygtsi ypgtsi gyptsi ygptsi ptygsi tpygsi pytgsi yptgsi typgsi ytpgsi gtypsi tgypsi gytpsi ygtpsi tygpsi ytgpsi pstygi sptygi ptsygi tpsygi stpygi tspygi psytgi spytgi pystgi ypstgi syptgi ysptgi ptysgi tpysgi pytsgi yptsgi typsgi ytpsgi stypgi tsypgi sytpgi ystpgi tyspgi ytspgi gstypi sgtypi gtsypi tgsypi stgypi tsgypi gsytpi sgytpi gystpi ygstpi sygtpi ysgtpi gtyspi tgyspi gytspi ygtspi tygspi ytgspi stygpi tsygpi sytgpi ystgpi tysgpi ytsgpi igstyp gistyp isgtyp sigtyp gsityp sgityp igtsyp gitsyp itgsyp tigsyp gtisyp tgisyp istgyp sitgyp itsgyp tisgyp stigyp tsigyp gstiyp sgtiyp gtsiyp tgsiyp stgiyp tsgiyp igsytp gisytp isgytp sigytp gsiytp sgiytp igystp giystp iygstp yigstp gyistp ygistp isygtp siygtp iysgtp yisgtp syigtp ysigtp gsyitp sgyitp gysitp ygsitp sygitp ysgitp igtysp gitysp itgysp tigysp gtiysp tgiysp igytsp giytsp iygtsp yigtsp gyitsp ygitsp itygsp tiygsp iytgsp yitgsp tyigsp ytigsp gtyisp tgyisp gytisp ygtisp tygisp ytgisp istygp sitygp itsygp tisygp stiygp tsiygp isytgp siytgp iystgp yistgp syitgp ysitgp itysgp tiysgp iytsgp yitsgp tyisgp ytisgp styigp tsyigp sytigp ystigp tysigp ytsigp gstyip sgtyip gtsyip tgsyip stgyip tsgyip gsytip sgytip gystip ygstip sygtip ysgtip gtysip tgysip gytsip ygtsip tygsip ytgsip stygip tsygip sytgip ystgip tysgip ytsgip
Note: these 'words' (valid or invalid) are all the permutations of the word pigsty. These words are obtained by scrambling the letters in pigsty.