spials psials sipals ispals pisals ipsals spails psails sapils aspils pasils apsils siapls isapls saipls asipls iaspls aispls piasls ipasls paisls apisls iapsls aipsls spilas psilas siplas isplas pislas ipslas splias pslias slpias lspias plsias lpsias silpas islpas slipas lsipas ilspas lispas pilsas iplsas plisas lpisas ilpsas lipsas spalis psalis saplis asplis paslis apslis splais pslais slpais lspais plsais lpsais salpis aslpis slapis lsapis alspis laspis palsis aplsis plasis lpasis alpsis lapsis sialps isalps sailps asilps iaslps aislps silaps islaps sliaps lsiaps ilsaps lisaps salips aslips slaips lsaips alsips lasips ialsps ailsps ilasps liasps alisps laisps pialss ipalss pailss apilss iaplss aiplss pilass iplass pliass lpiass ilpass lipass paliss apliss plaiss lpaiss alpiss lapiss ialpss ailpss ilapss liapss alipss laipss spiasl psiasl sipasl ispasl pisasl ipsasl spaisl psaisl sapisl aspisl pasisl apsisl siapsl isapsl saipsl asipsl iaspsl aispsl piassl ipassl paissl apissl iapssl aipssl spisal psisal sipsal ispsal pissal ipssal spsial pssial sspial sspial pssial spsial sispal isspal ssipal ssipal isspal sispal pissal ipssal psisal spisal ispsal sipsal spasil psasil sapsil aspsil passil apssil spsail pssail sspail sspail pssail spsail saspil asspil ssapil ssapil asspil saspil passil apssil psasil spasil aspsil sapsil siaspl isaspl saispl asispl iasspl aisspl sisapl issapl ssiapl ssiapl issapl sisapl sasipl assipl ssaipl ssaipl assipl sasipl iasspl aisspl isaspl siaspl asispl saispl piassl ipassl paissl apissl iapssl aipssl pisasl ipsasl psiasl spiasl ispasl sipasl pasisl apsisl psaisl spaisl aspisl sapisl iaspsl aispsl isapsl siapsl asipsl saipsl spilsa psilsa siplsa isplsa pislsa ipslsa splisa pslisa slpisa lspisa plsisa lpsisa silpsa islpsa slipsa lsipsa ilspsa lispsa pilssa iplssa plissa lpissa ilpssa lipssa spisla psisla sipsla ispsla pissla ipssla spsila pssila sspila sspila pssila spsila sispla isspla ssipla ssipla isspla sispla pissla ipssla psisla spisla ispsla sipsla splsia pslsia slpsia lspsia plssia lpssia spslia psslia ssplia ssplia psslia spslia slspia lsspia sslpia sslpia lsspia slspia plssia lpssia pslsia splsia lspsia slpsia silspa islspa slispa lsispa ilsspa lisspa sislpa isslpa ssilpa ssilpa isslpa sislpa slsipa lssipa sslipa sslipa lssipa slsipa ilsspa lisspa islspa silspa lsispa slispa pilssa iplssa plissa lpissa ilpssa lipssa pislsa ipslsa psilsa spilsa isplsa siplsa plsisa lpsisa pslisa splisa lspisa slpisa ilspsa lispsa islpsa silpsa lsipsa slipsa spalsi psalsi saplsi asplsi paslsi apslsi splasi pslasi slpasi lspasi plsasi lpsasi salpsi aslpsi slapsi lsapsi alspsi laspsi palssi aplssi plassi lpassi alpssi lapssi spasli psasli sapsli aspsli passli apssli spsali pssali sspali sspali pssali spsali saspli asspli ssapli ssapli asspli saspli passli apssli psasli spasli aspsli sapsli splsai pslsai slpsai lspsai plssai lpssai spslai psslai ssplai ssplai psslai spslai slspai lsspai sslpai sslpai lsspai slspai plssai lpssai pslsai splsai lspsai slpsai salspi aslspi slaspi lsaspi alsspi lasspi saslpi asslpi ssalpi ssalpi asslpi saslpi slsapi lssapi sslapi sslapi lssapi slsapi alsspi lasspi aslspi salspi lsaspi slaspi palssi aplssi plassi lpassi alpssi lapssi paslsi apslsi psalsi spalsi asplsi saplsi plsasi lpsasi pslasi splasi lspasi slpasi alspsi laspsi aslpsi salpsi lsapsi slapsi sialsp isalsp sailsp asilsp iaslsp aislsp silasp islasp sliasp lsiasp ilsasp lisasp salisp aslisp slaisp lsaisp alsisp lasisp ialssp ailssp ilassp liassp alissp laissp siaslp isaslp saislp asislp iasslp aisslp sisalp issalp ssialp ssialp issalp sisalp sasilp assilp ssailp ssailp assilp sasilp iasslp aisslp isaslp siaslp asislp saislp silsap islsap slisap lsisap ilssap lissap sislap isslap ssilap ssilap isslap sislap slsiap lssiap ssliap ssliap lssiap slsiap ilssap lissap islsap silsap lsisap slisap salsip aslsip slasip lsasip alssip lassip saslip asslip ssalip ssalip asslip saslip slsaip lssaip sslaip sslaip lssaip slsaip alssip lassip aslsip salsip lsasip slasip ialssp ailssp ilassp liassp alissp laissp iaslsp aislsp isalsp sialsp asilsp sailsp ilsasp lisasp islasp silasp lsiasp sliasp alsisp lasisp aslisp salisp lsaisp slaisp pialss ipalss pailss apilss iaplss aiplss pilass iplass pliass lpiass ilpass lipass paliss apliss plaiss lpaiss alpiss lapiss ialpss ailpss ilapss liapss alipss laipss piasls ipasls paisls apisls iapsls aipsls pisals ipsals psials spials ispals sipals pasils apsils psails spails aspils sapils iaspls aispls isapls siapls asipls saipls pilsas iplsas plisas lpisas ilpsas lipsas pislas ipslas psilas spilas isplas siplas plsias lpsias pslias splias lspias slpias ilspas lispas islpas silpas lsipas slipas palsis aplsis plasis lpasis alpsis lapsis paslis apslis psalis spalis asplis saplis plsais lpsais pslais splais lspais slpais alspis laspis aslpis salpis lsapis slapis ialsps ailsps ilasps liasps alisps laisps iaslps aislps isalps sialps asilps sailps ilsaps lisaps islaps silaps lsiaps sliaps alsips lasips aslips salips lsaips slaips
Note: these 'words' (valid or invalid) are all the permutations of the word spials. These words are obtained by scrambling the letters in spials.