leaser elaser laeser aleser ealser aelser lesaer elsaer lseaer sleaer eslaer selaer laseer alseer lsaeer slaeer asleer saleer easler aesler esaler sealer aseler saeler leaesr elaesr laeesr aleesr ealesr aelesr leeasr eleasr leeasr eleasr eelasr eelasr laeesr aleesr leaesr elaesr aelesr ealesr eaelsr aeelsr eealsr eealsr aeelsr eaelsr lesear elsear lseear sleear eslear selear leesar elesar leesar elesar eelsar eelsar lseear sleear lesear elsear selear eslear eselar seelar eeslar eeslar seelar eselar laseer alseer lsaeer slaeer asleer saleer laeser aleser leaser elaser aelser ealser lseaer sleaer lesaer elsaer selaer eslaer aseler saeler aesler easler sealer esaler easelr aeselr esaelr seaelr aseelr saeelr eaeslr aeeslr eeaslr eeaslr aeeslr eaeslr esealr seealr eesalr eesalr seealr esealr aseelr saeelr aeselr easelr seaelr esaelr leasre elasre laesre alesre ealsre aelsre lesare elsare lseare sleare eslare selare lasere alsere lsaere slaere aslere salere easlre aeslre esalre sealre aselre saelre learse elarse laerse alerse ealrse aelrse lerase elrase lrease rlease erlase relase larese alrese lraese rlaese arlese ralese earlse aerlse eralse realse arelse raelse lesrae elsrae lserae slerae eslrae selrae lersae elrsae lresae rlesae erlsae relsae lsreae slreae lrseae rlseae srleae rsleae esrlae serlae erslae reslae srelae rselae lasree alsree lsaree slaree aslree salree larsee alrsee lrasee rlasee arlsee ralsee lsraee slraee lrsaee rlsaee srlaee rslaee asrlee sarlee arslee raslee sralee rsalee easrle aesrle esarle searle aserle saerle earsle aersle erasle reasle aresle raesle esrale serale ersale resale sreale rseale asrele sarele arsele rasele sraele rsaele leaers elaers laeers aleers ealers aelers leears elears leears elears eelars eelars laeers aleers leaers elaers aelers ealers eaelrs aeelrs eealrs eealrs aeelrs eaelrs leares elares laeres aleres ealres aelres leraes elraes lreaes rleaes erlaes relaes larees alrees lraees rlaees arlees ralees earles aerles erales reales areles raeles leeras eleras leeras eleras eelras eelras lereas elreas lreeas rleeas erleas releas lereas elreas lreeas rleeas erleas releas eerlas eerlas erelas reelas erelas reelas laeres aleres leares elares aelres ealres larees alrees lraees rlaees arlees ralees leraes elraes lreaes rleaes erlaes relaes aerles earles areles raeles erales reales eaerls aeerls eearls eearls aeerls eaerls earels aerels eraels reaels areels raeels eerals eerals ereals reeals ereals reeals aerels earels areels raeels eraels reaels lesera elsera lseera sleera eslera selera leesra elesra leesra elesra eelsra eelsra lseera sleera lesera elsera selera eslera eselra seelra eeslra eeslra seelra eselra lesrea elsrea lserea slerea eslrea selrea lersea elrsea lresea rlesea erlsea relsea lsreea slreea lrseea rlseea srleea rsleea esrlea serlea erslea reslea srelea rselea leersa elersa leersa elersa eelrsa eelrsa leresa elresa lreesa rleesa erlesa relesa leresa elresa lreesa rleesa erlesa relesa eerlsa eerlsa erelsa reelsa erelsa reelsa lserea slerea lesrea elsrea selrea eslrea lsreea slreea lrseea rlseea srleea rsleea lersea elrsea lresea rlesea erlsea relsea serlea esrlea srelea rselea erslea reslea eserla seerla eesrla eesrla seerla eserla esrela serela ersela resela sreela rseela eersla eersla eresla reesla eresla reesla serela esrela sreela rseela ersela resela lasere alsere lsaere slaere aslere salere laesre alesre leasre elasre aelsre ealsre lseare sleare lesare elsare selare eslare aselre saelre aeslre easlre sealre esalre lasree alsree lsaree slaree aslree salree larsee alrsee lrasee rlasee arlsee ralsee lsraee slraee lrsaee rlsaee srlaee rslaee asrlee sarlee arslee raslee sralee rsalee laerse alerse learse elarse aelrse ealrse larese alrese lraese rlaese arlese ralese lerase elrase lrease rlease erlase relase aerlse earlse arelse raelse eralse realse lserae slerae lesrae elsrae selrae eslrae lsreae slreae lrseae rlseae srleae rsleae lersae elrsae lresae rlesae erlsae relsae serlae esrlae srelae rselae erslae reslae aserle saerle aesrle easrle searle esarle asrele sarele arsele rasele sraele rsaele aersle earsle aresle raesle erasle reasle serale esrale sreale rseale ersale resale easerl aeserl esaerl seaerl aseerl saeerl eaesrl aeesrl eeasrl eeasrl aeesrl eaesrl esearl seearl eesarl eesarl seearl esearl aseerl saeerl aeserl easerl seaerl esaerl easrel aesrel esarel searel aserel saerel earsel aersel erasel reasel aresel raesel esrael serael ersael resael sreael rseael asreel sareel arseel raseel sraeel rsaeel eaersl aeersl eearsl eearsl aeersl eaersl earesl aeresl eraesl reaesl areesl raeesl eerasl eerasl ereasl reeasl ereasl reeasl aeresl earesl areesl raeesl eraesl reaesl eseral seeral eesral eesral seeral eseral esreal sereal erseal reseal sreeal rseeal eersal eersal eresal reesal eresal reesal sereal esreal sreeal rseeal erseal reseal aserel saerel aesrel easrel searel esarel asreel sareel arseel raseel sraeel rsaeel aersel earsel aresel raesel erasel reasel serael esrael sreael rseael ersael resael
Note: these 'words' (valid or invalid) are all the permutations of the word leaser. These words are obtained by scrambling the letters in leaser.