situps istups stiups tsiups itsups tisups siutps isutps suitps usitps iustps uistps stuips tsuips sutips ustips tusips utsips itusps tiusps iutsps uitsps tuisps utisps sitpus istpus stipus tsipus itspus tispus siptus isptus spitus psitus ipstus pistus stpius tspius sptius pstius tpsius ptsius itpsus tipsus iptsus pitsus tpisus ptisus siupts isupts suipts usipts iuspts uispts siputs isputs spiuts psiuts ipsuts pisuts supits uspits spuits psuits upsits pusits iupsts uipsts ipusts piusts upists puists stupis tsupis sutpis ustpis tuspis utspis stpuis tspuis sptuis pstuis tpsuis ptsuis suptis usptis sputis psutis upstis pustis tupsis utpsis tpusis ptusis uptsis putsis itupss tiupss iutpss uitpss tuipss utipss itpuss tipuss iptuss pituss tpiuss ptiuss iuptss uiptss iputss piutss upitss puitss tupiss utpiss tpuiss ptuiss uptiss putiss situsp istusp stiusp tsiusp itsusp tisusp siutsp isutsp suitsp usitsp iustsp uistsp stuisp tsuisp sutisp ustisp tusisp utsisp itussp tiussp iutssp uitssp tuissp utissp sitsup istsup stisup tsisup itssup tissup sistup isstup ssitup ssitup isstup sistup stsiup tssiup sstiup sstiup tssiup stsiup itssup tissup istsup sitsup tsisup stisup siustp isustp suistp usistp iusstp uisstp sisutp issutp ssiutp ssiutp issutp sisutp susitp ussitp ssuitp ssuitp ussitp susitp iusstp uisstp isustp siustp usistp suistp stusip tsusip sutsip ustsip tussip utssip stsuip tssuip sstuip sstuip tssuip stsuip sustip usstip ssutip ssutip usstip sustip tussip utssip tsusip stusip ustsip sutsip itussp tiussp iutssp uitssp tuissp utissp itsusp tisusp istusp situsp tsiusp stiusp iustsp uistsp isutsp siutsp usitsp suitsp tusisp utsisp tsuisp stuisp ustisp sutisp sitpsu istpsu stipsu tsipsu itspsu tispsu siptsu isptsu spitsu psitsu ipstsu pistsu stpisu tspisu sptisu pstisu tpsisu ptsisu itpssu tipssu iptssu pitssu tpissu ptissu sitspu istspu stispu tsispu itsspu tisspu sistpu isstpu ssitpu ssitpu isstpu sistpu stsipu tssipu sstipu sstipu tssipu stsipu itsspu tisspu istspu sitspu tsispu stispu sipstu ispstu spistu psistu ipsstu pisstu sisptu issptu ssiptu ssiptu issptu sisptu spsitu pssitu sspitu sspitu pssitu spsitu ipsstu pisstu ispstu sipstu psistu spistu stpsiu tspsiu sptsiu pstsiu tpssiu ptssiu stspiu tsspiu sstpiu sstpiu tsspiu stspiu spstiu psstiu ssptiu ssptiu psstiu spstiu tpssiu ptssiu tspsiu stpsiu pstsiu sptsiu itpssu tipssu iptssu pitssu tpissu ptissu itspsu tispsu istpsu sitpsu tsipsu stipsu ipstsu pistsu isptsu siptsu psitsu spitsu tpsisu ptsisu tspisu stpisu pstisu sptisu siupst isupst suipst usipst iuspst uispst sipust ispust spiust psiust ipsust pisust supist uspist spuist psuist upsist pusist iupsst uipsst ipusst piusst upisst puisst siuspt isuspt suispt usispt iusspt uisspt sisupt issupt ssiupt ssiupt issupt sisupt susipt ussipt ssuipt ssuipt ussipt susipt iusspt uisspt isuspt siuspt usispt suispt sipsut ispsut spisut psisut ipssut pissut sisput issput ssiput ssiput issput sisput spsiut pssiut sspiut sspiut pssiut spsiut ipssut pissut ispsut sipsut psisut spisut supsit uspsit spusit psusit upssit pussit suspit usspit ssupit ssupit usspit suspit spsuit pssuit sspuit sspuit pssuit spsuit upssit pussit uspsit supsit psusit spusit iupsst uipsst ipusst piusst upisst puisst iuspst uispst isupst siupst usipst suipst ipsust pisust ispust sipust psiust spiust upsist pusist uspist supist psuist spuist stupsi tsupsi sutpsi ustpsi tuspsi utspsi stpusi tspusi sptusi pstusi tpsusi ptsusi suptsi usptsi sputsi psutsi upstsi pustsi tupssi utpssi tpussi ptussi uptssi putssi stuspi tsuspi sutspi ustspi tusspi utsspi stsupi tssupi sstupi sstupi tssupi stsupi sustpi usstpi ssutpi ssutpi usstpi sustpi tusspi utsspi tsuspi stuspi ustspi sutspi stpsui tspsui sptsui pstsui tpssui ptssui stspui tsspui sstpui sstpui tsspui stspui spstui psstui ssptui ssptui psstui spstui tpssui ptssui tspsui stpsui pstsui sptsui supsti uspsti spusti psusti upssti pussti suspti usspti ssupti ssupti usspti suspti spsuti pssuti ssputi ssputi pssuti spsuti upssti pussti uspsti supsti psusti spusti tupssi utpssi tpussi ptussi uptssi putssi tuspsi utspsi tsupsi stupsi ustpsi sutpsi tpsusi ptsusi tspusi stpusi pstusi sptusi upstsi pustsi usptsi suptsi psutsi sputsi itupss tiupss iutpss uitpss tuipss utipss itpuss tipuss iptuss pituss tpiuss ptiuss iuptss uiptss iputss piutss upitss puitss tupiss utpiss tpuiss ptuiss uptiss putiss itusps tiusps iutsps uitsps tuisps utisps itsups tisups istups situps tsiups stiups iustps uistps isutps siutps usitps suitps tusips utsips tsuips stuips ustips sutips itpsus tipsus iptsus pitsus tpisus ptisus itspus tispus istpus sitpus tsipus stipus ipstus pistus isptus siptus psitus spitus tpsius ptsius tspius stpius pstius sptius iupsts uipsts ipusts piusts upists puists iuspts uispts isupts siupts usipts suipts ipsuts pisuts isputs siputs psiuts spiuts upsits pusits uspits supits psuits spuits tupsis utpsis tpusis ptusis uptsis putsis tuspis utspis tsupis stupis ustpis sutpis tpsuis ptsuis tspuis stpuis pstuis sptuis upstis pustis usptis suptis psutis sputis
Note: these 'words' (valid or invalid) are all the permutations of the word situps. These words are obtained by scrambling the letters in situps.