spalls psalls saplls asplls paslls apslls splals pslals slpals lspals plsals lpsals salpls aslpls slapls lsapls alspls laspls palsls aplsls plasls lpasls alpsls lapsls spalls psalls saplls asplls paslls apslls splals pslals slpals lspals plsals lpsals salpls aslpls slapls lsapls alspls laspls palsls aplsls plasls lpasls alpsls lapsls spllas psllas slplas lsplas plslas lpslas spllas psllas slplas lsplas plslas lpslas sllpas lslpas sllpas lslpas llspas llspas pllsas lplsas pllsas lplsas llpsas llpsas sallps asllps slalps lsalps alslps laslps sallps asllps slalps lsalps alslps laslps sllaps lslaps sllaps lslaps llsaps llsaps allsps lalsps allsps lalsps llasps llasps pallss apllss plalss lpalss alplss laplss pallss apllss plalss lpalss alplss laplss pllass lplass pllass lplass llpass llpass allpss lalpss allpss lalpss llapss llapss spalsl psalsl saplsl asplsl paslsl apslsl splasl pslasl slpasl lspasl plsasl lpsasl salpsl aslpsl slapsl lsapsl alspsl laspsl palssl aplssl plassl lpassl alpssl lapssl spasll psasll sapsll aspsll passll apssll spsall pssall sspall sspall pssall spsall saspll asspll ssapll ssapll asspll saspll passll apssll psasll spasll aspsll sapsll splsal pslsal slpsal lspsal plssal lpssal spslal psslal ssplal ssplal psslal spslal slspal lsspal sslpal sslpal lsspal slspal plssal lpssal pslsal splsal lspsal slpsal salspl aslspl slaspl lsaspl alsspl lasspl saslpl asslpl ssalpl ssalpl asslpl saslpl slsapl lssapl sslapl sslapl lssapl slsapl alsspl lasspl aslspl salspl lsaspl slaspl palssl aplssl plassl lpassl alpssl lapssl paslsl apslsl psalsl spalsl asplsl saplsl plsasl lpsasl pslasl splasl lspasl slpasl alspsl laspsl aslpsl salpsl lsapsl slapsl spalsl psalsl saplsl asplsl paslsl apslsl splasl pslasl slpasl lspasl plsasl lpsasl salpsl aslpsl slapsl lsapsl alspsl laspsl palssl aplssl plassl lpassl alpssl lapssl spasll psasll sapsll aspsll passll apssll spsall pssall sspall sspall pssall spsall saspll asspll ssapll ssapll asspll saspll passll apssll psasll spasll aspsll sapsll splsal pslsal slpsal lspsal plssal lpssal spslal psslal ssplal ssplal psslal spslal slspal lsspal sslpal sslpal lsspal slspal plssal lpssal pslsal splsal lspsal slpsal salspl aslspl slaspl lsaspl alsspl lasspl saslpl asslpl ssalpl ssalpl asslpl saslpl slsapl lssapl sslapl sslapl lssapl slsapl alsspl lasspl aslspl salspl lsaspl slaspl palssl aplssl plassl lpassl alpssl lapssl paslsl apslsl psalsl spalsl asplsl saplsl plsasl lpsasl pslasl splasl lspasl slpasl alspsl laspsl aslpsl salpsl lsapsl slapsl spllsa psllsa slplsa lsplsa plslsa lpslsa spllsa psllsa slplsa lsplsa plslsa lpslsa sllpsa lslpsa sllpsa lslpsa llspsa llspsa pllssa lplssa pllssa lplssa llpssa llpssa splsla pslsla slpsla lspsla plssla lpssla spslla psslla ssplla ssplla psslla spslla slspla lsspla sslpla sslpla lsspla slspla plssla lpssla pslsla splsla lspsla slpsla splsla pslsla slpsla lspsla plssla lpssla spslla psslla ssplla ssplla psslla spslla slspla lsspla sslpla sslpla lsspla slspla plssla lpssla pslsla splsla lspsla slpsla sllspa lslspa sllspa lslspa llsspa llsspa slslpa lsslpa ssllpa ssllpa lsslpa slslpa slslpa lsslpa ssllpa ssllpa lsslpa slslpa llsspa llsspa lslspa sllspa lslspa sllspa pllssa lplssa pllssa lplssa llpssa llpssa plslsa lpslsa psllsa spllsa lsplsa slplsa plslsa lpslsa psllsa spllsa lsplsa slplsa llspsa llspsa lslpsa sllpsa lslpsa sllpsa sallsp asllsp slalsp lsalsp alslsp laslsp sallsp asllsp slalsp lsalsp alslsp laslsp sllasp lslasp sllasp lslasp llsasp llsasp allssp lalssp allssp lalssp llassp llassp salslp aslslp slaslp lsaslp alsslp lasslp sasllp assllp ssallp ssallp assllp sasllp slsalp lssalp sslalp sslalp lssalp slsalp alsslp lasslp aslslp salslp lsaslp slaslp salslp aslslp slaslp lsaslp alsslp lasslp sasllp assllp ssallp ssallp assllp sasllp slsalp lssalp sslalp sslalp lssalp slsalp alsslp lasslp aslslp salslp lsaslp slaslp sllsap lslsap sllsap lslsap llssap llssap slslap lsslap ssllap ssllap lsslap slslap slslap lsslap ssllap ssllap lsslap slslap llssap llssap lslsap sllsap lslsap sllsap allssp lalssp allssp lalssp llassp llassp alslsp laslsp asllsp sallsp lsalsp slalsp alslsp laslsp asllsp sallsp lsalsp slalsp llsasp llsasp lslasp sllasp lslasp sllasp pallss apllss plalss lpalss alplss laplss pallss apllss plalss lpalss alplss laplss pllass lplass pllass lplass llpass llpass allpss lalpss allpss lalpss llapss llapss palsls aplsls plasls lpasls alpsls lapsls paslls apslls psalls spalls asplls saplls plsals lpsals pslals splals lspals slpals alspls laspls aslpls salpls lsapls slapls palsls aplsls plasls lpasls alpsls lapsls paslls apslls psalls spalls asplls saplls plsals lpsals pslals splals lspals slpals alspls laspls aslpls salpls lsapls slapls pllsas lplsas pllsas lplsas llpsas llpsas plslas lpslas psllas spllas lsplas slplas plslas lpslas psllas spllas lsplas slplas llspas llspas lslpas sllpas lslpas sllpas allsps lalsps allsps lalsps llasps llasps alslps laslps asllps sallps lsalps slalps alslps laslps asllps sallps lsalps slalps llsaps llsaps lslaps sllaps lslaps sllaps
Note: these 'words' (valid or invalid) are all the permutations of the word spalls. These words are obtained by scrambling the letters in spalls.