lasers alsers lsaers slaers aslers salers laesrs alesrs leasrs elasrs aelsrs ealsrs lsears slears lesars elsars selars eslars aselrs saelrs aeslrs easlrs sealrs esalrs lasres alsres lsares slares aslres salres larses alrses lrases rlases arlses ralses lsraes slraes lrsaes rlsaes srlaes rslaes asrles sarles arsles rasles srales rsales laerss alerss learss elarss aelrss ealrss laress alress lraess rlaess arless raless lerass elrass lreass rleass erlass relass aerlss earlss arelss raelss eralss realss lseras sleras lesras elsras selras eslras lsreas slreas lrseas rlseas srleas rsleas lersas elrsas lresas rlesas erlsas relsas serlas esrlas srelas rselas erslas reslas aserls saerls aesrls easrls searls esarls asrels sarels arsels rasels sraels rsaels aersls earsls aresls raesls erasls reasls serals esrals sreals rseals ersals resals lasesr alsesr lsaesr slaesr aslesr salesr laessr alessr leassr elassr aelssr ealssr lseasr sleasr lesasr elsasr selasr eslasr aselsr saelsr aeslsr easlsr sealsr esalsr lasser alsser lsaser slaser aslser salser lasser alsser lsaser slaser aslser salser lssaer slsaer lssaer slsaer sslaer sslaer assler sasler assler sasler ssaler ssaler laessr alessr leassr elassr aelssr ealssr lasesr alsesr lsaesr slaesr aslesr salesr lesasr elsasr lseasr sleasr eslasr selasr aeslsr easlsr aselsr saelsr esalsr sealsr lsesar slesar lessar elssar selsar eslsar lssear slsear lssear slsear sslear sslear lessar elssar lsesar slesar eslsar selsar seslar esslar sselar sselar esslar seslar aseslr saeslr aesslr easslr seaslr esaslr asselr saselr asselr saselr ssaelr ssaelr aesslr easslr aseslr saeslr esaslr seaslr sesalr essalr ssealr ssealr essalr sesalr lasrse alsrse lsarse slarse aslrse salrse larsse alrsse lrasse rlasse arlsse ralsse lsrase slrase lrsase rlsase srlase rslase asrlse sarlse arslse raslse sralse rsalse lassre alssre lsasre slasre aslsre salsre lassre alssre lsasre slasre aslsre salsre lssare slsare lssare slsare sslare sslare asslre saslre asslre saslre ssalre ssalre larsse alrsse lrasse rlasse arlsse ralsse lasrse alsrse lsarse slarse aslrse salrse lrsase rlsase lsrase slrase rslase srlase arslse raslse asrlse sarlse rsalse sralse lsrsae slrsae lrssae rlssae srlsae rslsae lssrae slsrae lssrae slsrae sslrae sslrae lrssae rlssae lsrsae slrsae rslsae srlsae srslae rsslae ssrlae ssrlae rsslae srslae asrsle sarsle arssle rassle srasle rsasle assrle sasrle assrle sasrle ssarle ssarle arssle rassle asrsle sarsle rsasle srasle srsale rssale ssrale ssrale rssale srsale laerss alerss learss elarss aelrss ealrss laress alress lraess rlaess arless raless lerass elrass lreass rleass erlass relass aerlss earlss arelss raelss eralss realss laesrs alesrs leasrs elasrs aelsrs ealsrs lasers alsers lsaers slaers aslers salers lesars elsars lsears slears eslars selars aeslrs easlrs aselrs saelrs esalrs sealrs larses alrses lrases rlases arlses ralses lasres alsres lsares slares aslres salres lrsaes rlsaes lsraes slraes rslaes srlaes arsles rasles asrles sarles rsales srales lersas elrsas lresas rlesas erlsas relsas lesras elsras lseras sleras eslras selras lrseas rlseas lsreas slreas rsleas srleas erslas reslas esrlas serlas rselas srelas aersls earsls aresls raesls erasls reasls aesrls easrls aserls saerls esarls searls arsels rasels asrels sarels rsaels sraels ersals resals esrals serals rseals sreals lsersa slersa lesrsa elsrsa selrsa eslrsa lsresa slresa lrsesa rlsesa srlesa rslesa lerssa elrssa lressa rlessa erlssa relssa serlsa esrlsa srelsa rselsa erslsa reslsa lsesra slesra lessra elssra selsra eslsra lssera slsera lssera slsera sslera sslera lessra elssra lsesra slesra eslsra selsra seslra esslra sselra sselra esslra seslra lsrsea slrsea lrssea rlssea srlsea rslsea lssrea slsrea lssrea slsrea sslrea sslrea lrssea rlssea lsrsea slrsea rslsea srlsea srslea rsslea ssrlea ssrlea rsslea srslea lerssa elrssa lressa rlessa erlssa relssa lesrsa elsrsa lsersa slersa eslrsa selrsa lrsesa rlsesa lsresa slresa rslesa srlesa erslsa reslsa esrlsa serlsa rselsa srelsa sersla esrsla sresla rsesla erssla ressla sesrla essrla sserla sserla essrla sesrla srsela rssela ssrela ssrela rssela srsela erssla ressla esrsla sersla rsesla sresla asersl saersl aesrsl easrsl searsl esarsl asresl saresl arsesl rasesl sraesl rsaesl aerssl earssl aressl raessl erassl reassl serasl esrasl sreasl rseasl ersasl resasl asesrl saesrl aessrl eassrl seasrl esasrl asserl saserl asserl saserl ssaerl ssaerl aessrl eassrl asesrl saesrl esasrl seasrl sesarl essarl ssearl ssearl essarl sesarl asrsel sarsel arssel rassel srasel rsasel assrel sasrel assrel sasrel ssarel ssarel arssel rassel asrsel sarsel rsasel srasel srsael rssael ssrael ssrael rssael srsael aerssl earssl aressl raessl erassl reassl aesrsl easrsl asersl saersl esarsl searsl arsesl rasesl asresl saresl rsaesl sraesl ersasl resasl esrasl serasl rseasl sreasl sersal esrsal sresal rsesal erssal ressal sesral essral sseral sseral essral sesral srseal rsseal ssreal ssreal rsseal srseal erssal ressal esrsal sersal rsesal sresal
Note: these 'words' (valid or invalid) are all the permutations of the word lasers. These words are obtained by scrambling the letters in lasers.