plairs lpairs palirs aplirs lapirs alpirs pliars lpiars pilars iplars lipars ilpars pailrs apilrs pialrs ipalrs aiplrs iaplrs laiprs aliprs liaprs ilaprs ailprs ialprs plaris lparis palris aplris lapris alpris plrais lprais prlais rplais lrpais rlpais parlis aprlis pralis rpalis arplis raplis larpis alrpis lrapis rlapis arlpis ralpis pliras lpiras pilras iplras lipras ilpras plrias lprias prlias rplias lrpias rlpias pirlas iprlas prilas rpilas irplas riplas lirpas ilrpas lripas rlipas irlpas rilpas pairls apirls piarls iparls aiprls iaprls parils aprils prails rpails arpils rapils pirals iprals prials rpials irpals ripals airpls iarpls aripls raipls irapls riapls lairps alirps liarps ilarps ailrps ialrps larips alrips lraips rlaips arlips ralips liraps ilraps lriaps rliaps irlaps rilaps airlps iarlps arilps railps iralps rialps plaisr lpaisr palisr aplisr lapisr alpisr pliasr lpiasr pilasr iplasr lipasr ilpasr pailsr apilsr pialsr ipalsr aiplsr iaplsr laipsr alipsr liapsr ilapsr ailpsr ialpsr plasir lpasir palsir aplsir lapsir alpsir plsair lpsair pslair splair lspair slpair paslir apslir psalir spalir asplir saplir laspir alspir lsapir slapir aslpir salpir plisar lpisar pilsar iplsar lipsar ilpsar plsiar lpsiar psliar spliar lspiar slpiar pislar ipslar psilar spilar isplar siplar lispar ilspar lsipar slipar islpar silpar paislr apislr piaslr ipaslr aipslr iapslr pasilr apsilr psailr spailr aspilr sapilr pisalr ipsalr psialr spialr ispalr sipalr aisplr iasplr asiplr saiplr isaplr siaplr laispr alispr liaspr ilaspr ailspr ialspr lasipr alsipr lsaipr slaipr aslipr salipr lisapr ilsapr lsiapr sliapr islapr silapr aislpr iaslpr asilpr sailpr isalpr sialpr plarsi lparsi palrsi aplrsi laprsi alprsi plrasi lprasi prlasi rplasi lrpasi rlpasi parlsi aprlsi pralsi rpalsi arplsi raplsi larpsi alrpsi lrapsi rlapsi arlpsi ralpsi plasri lpasri palsri aplsri lapsri alpsri plsari lpsari pslari splari lspari slpari paslri apslri psalri spalri asplri saplri laspri alspri lsapri slapri aslpri salpri plrsai lprsai prlsai rplsai lrpsai rlpsai plsrai lpsrai pslrai splrai lsprai slprai prslai rpslai psrlai sprlai rsplai srplai lrspai rlspai lsrpai slrpai rslpai srlpai parsli aprsli prasli rpasli arpsli rapsli pasrli apsrli psarli sparli asprli saprli prsali rpsali psrali sprali rspali srpali arspli raspli asrpli sarpli rsapli srapli larspi alrspi lraspi rlaspi arlspi ralspi lasrpi alsrpi lsarpi slarpi aslrpi salrpi lrsapi rlsapi lsrapi slrapi rslapi srlapi arslpi raslpi asrlpi sarlpi rsalpi sralpi plirsa lpirsa pilrsa iplrsa liprsa ilprsa plrisa lprisa prlisa rplisa lrpisa rlpisa pirlsa iprlsa prilsa rpilsa irplsa riplsa lirpsa ilrpsa lripsa rlipsa irlpsa rilpsa plisra lpisra pilsra iplsra lipsra ilpsra plsira lpsira pslira splira lspira slpira pislra ipslra psilra spilra isplra siplra lispra ilspra lsipra slipra islpra silpra plrsia lprsia prlsia rplsia lrpsia rlpsia plsria lpsria pslria splria lspria slpria prslia rpslia psrlia sprlia rsplia srplia lrspia rlspia lsrpia slrpia rslpia srlpia pirsla iprsla prisla rpisla irpsla ripsla pisrla ipsrla psirla spirla isprla siprla prsila rpsila psrila sprila rspila srpila irspla rispla isrpla sirpla rsipla sripla lirspa ilrspa lrispa rlispa irlspa rilspa lisrpa ilsrpa lsirpa slirpa islrpa silrpa lrsipa rlsipa lsripa slripa rslipa srlipa irslpa rislpa isrlpa sirlpa rsilpa srilpa pairsl apirsl piarsl iparsl aiprsl iaprsl parisl aprisl praisl rpaisl arpisl rapisl pirasl iprasl priasl rpiasl irpasl ripasl airpsl iarpsl aripsl raipsl irapsl riapsl paisrl apisrl piasrl ipasrl aipsrl iapsrl pasirl apsirl psairl spairl aspirl sapirl pisarl ipsarl psiarl spiarl isparl siparl aisprl iasprl asiprl saiprl isaprl siaprl parsil aprsil prasil rpasil arpsil rapsil pasril apsril psaril sparil aspril sapril prsail rpsail psrail sprail rspail srpail arspil raspil asrpil sarpil rsapil srapil pirsal iprsal prisal rpisal irpsal ripsal pisral ipsral psiral spiral ispral sipral prsial rpsial psrial sprial rspial srpial irspal rispal isrpal sirpal rsipal sripal airspl iarspl arispl raispl iraspl riaspl aisrpl iasrpl asirpl sairpl isarpl siarpl arsipl rasipl asripl saripl rsaipl sraipl irsapl risapl israpl sirapl rsiapl sriapl lairsp alirsp liarsp ilarsp ailrsp ialrsp larisp alrisp lraisp rlaisp arlisp ralisp lirasp ilrasp lriasp rliasp irlasp rilasp airlsp iarlsp arilsp railsp iralsp rialsp laisrp alisrp liasrp ilasrp ailsrp ialsrp lasirp alsirp lsairp slairp aslirp salirp lisarp ilsarp lsiarp sliarp islarp silarp aislrp iaslrp asilrp sailrp isalrp sialrp larsip alrsip lrasip rlasip arlsip ralsip lasrip alsrip lsarip slarip aslrip salrip lrsaip rlsaip lsraip slraip rslaip srlaip arslip raslip asrlip sarlip rsalip sralip lirsap ilrsap lrisap rlisap irlsap rilsap lisrap ilsrap lsirap slirap islrap silrap lrsiap rlsiap lsriap slriap rsliap srliap irslap rislap isrlap sirlap rsilap srilap airslp iarslp arislp raislp iraslp riaslp aisrlp iasrlp asirlp sairlp isarlp siarlp arsilp rasilp asrilp sarilp rsailp srailp irsalp risalp isralp siralp rsialp srialp
Note: these 'words' (valid or invalid) are all the permutations of the word plairs. These words are obtained by scrambling the letters in plairs.