masers amsers msaers smaers asmers samers maesrs amesrs measrs emasrs aemsrs eamsrs msears smears mesars emsars semars esmars asemrs saemrs aesmrs easmrs seamrs esamrs masres amsres msares smares asmres samres marses amrses mrases rmases armses ramses msraes smraes mrsaes rmsaes srmaes rsmaes asrmes sarmes arsmes rasmes srames rsames maerss amerss mearss emarss aemrss eamrss maress amress mraess rmaess armess ramess merass emrass mreass rmeass ermass remass aermss earmss aremss raemss eramss reamss mseras smeras mesras emsras semras esmras msreas smreas mrseas rmseas srmeas rsmeas mersas emrsas mresas rmesas ermsas remsas sermas esrmas sremas rsemas ersmas resmas aserms saerms aesrms easrms searms esarms asrems sarems arsems rasems sraems rsaems aersms earsms aresms raesms erasms reasms serams esrams sreams rseams ersams resams masesr amsesr msaesr smaesr asmesr samesr maessr amessr meassr emassr aemssr eamssr mseasr smeasr mesasr emsasr semasr esmasr asemsr saemsr aesmsr easmsr seamsr esamsr masser amsser msaser smaser asmser samser masser amsser msaser smaser asmser samser mssaer smsaer mssaer smsaer ssmaer ssmaer assmer sasmer assmer sasmer ssamer ssamer maessr amessr meassr emassr aemssr eamssr masesr amsesr msaesr smaesr asmesr samesr mesasr emsasr mseasr smeasr esmasr semasr aesmsr easmsr asemsr saemsr esamsr seamsr msesar smesar messar emssar semsar esmsar mssear smsear mssear smsear ssmear ssmear messar emssar msesar smesar esmsar semsar sesmar essmar ssemar ssemar essmar sesmar asesmr saesmr aessmr eassmr seasmr esasmr assemr sasemr assemr sasemr ssaemr ssaemr aessmr eassmr asesmr saesmr esasmr seasmr sesamr essamr sseamr sseamr essamr sesamr masrse amsrse msarse smarse asmrse samrse marsse amrsse mrasse rmasse armsse ramsse msrase smrase mrsase rmsase srmase rsmase asrmse sarmse arsmse rasmse sramse rsamse massre amssre msasre smasre asmsre samsre massre amssre msasre smasre asmsre samsre mssare smsare mssare smsare ssmare ssmare assmre sasmre assmre sasmre ssamre ssamre marsse amrsse mrasse rmasse armsse ramsse masrse amsrse msarse smarse asmrse samrse mrsase rmsase msrase smrase rsmase srmase arsmse rasmse asrmse sarmse rsamse sramse msrsae smrsae mrssae rmssae srmsae rsmsae mssrae smsrae mssrae smsrae ssmrae ssmrae mrssae rmssae msrsae smrsae rsmsae srmsae srsmae rssmae ssrmae ssrmae rssmae srsmae asrsme sarsme arssme rassme srasme rsasme assrme sasrme assrme sasrme ssarme ssarme arssme rassme asrsme sarsme rsasme srasme srsame rssame ssrame ssrame rssame srsame maerss amerss mearss emarss aemrss eamrss maress amress mraess rmaess armess ramess merass emrass mreass rmeass ermass remass aermss earmss aremss raemss eramss reamss maesrs amesrs measrs emasrs aemsrs eamsrs masers amsers msaers smaers asmers samers mesars emsars msears smears esmars semars aesmrs easmrs asemrs saemrs esamrs seamrs marses amrses mrases rmases armses ramses masres amsres msares smares asmres samres mrsaes rmsaes msraes smraes rsmaes srmaes arsmes rasmes asrmes sarmes rsames srames mersas emrsas mresas rmesas ermsas remsas mesras emsras mseras smeras esmras semras mrseas rmseas msreas smreas rsmeas srmeas ersmas resmas esrmas sermas rsemas sremas aersms earsms aresms raesms erasms reasms aesrms easrms aserms saerms esarms searms arsems rasems asrems sarems rsaems sraems ersams resams esrams serams rseams sreams msersa smersa mesrsa emsrsa semrsa esmrsa msresa smresa mrsesa rmsesa srmesa rsmesa merssa emrssa mressa rmessa ermssa remssa sermsa esrmsa sremsa rsemsa ersmsa resmsa msesra smesra messra emssra semsra esmsra mssera smsera mssera smsera ssmera ssmera messra emssra msesra smesra esmsra semsra sesmra essmra ssemra ssemra essmra sesmra msrsea smrsea mrssea rmssea srmsea rsmsea mssrea smsrea mssrea smsrea ssmrea ssmrea mrssea rmssea msrsea smrsea rsmsea srmsea srsmea rssmea ssrmea ssrmea rssmea srsmea merssa emrssa mressa rmessa ermssa remssa mesrsa emsrsa msersa smersa esmrsa semrsa mrsesa rmsesa msresa smresa rsmesa srmesa ersmsa resmsa esrmsa sermsa rsemsa sremsa sersma esrsma sresma rsesma erssma ressma sesrma essrma sserma sserma essrma sesrma srsema rssema ssrema ssrema rssema srsema erssma ressma esrsma sersma rsesma sresma asersm saersm aesrsm easrsm searsm esarsm asresm saresm arsesm rasesm sraesm rsaesm aerssm earssm aressm raessm erassm reassm serasm esrasm sreasm rseasm ersasm resasm asesrm saesrm aessrm eassrm seasrm esasrm asserm saserm asserm saserm ssaerm ssaerm aessrm eassrm asesrm saesrm esasrm seasrm sesarm essarm ssearm ssearm essarm sesarm asrsem sarsem arssem rassem srasem rsasem assrem sasrem assrem sasrem ssarem ssarem arssem rassem asrsem sarsem rsasem srasem srsaem rssaem ssraem ssraem rssaem srsaem aerssm earssm aressm raessm erassm reassm aesrsm easrsm asersm saersm esarsm searsm arsesm rasesm asresm saresm rsaesm sraesm ersasm resasm esrasm serasm rseasm sreasm sersam esrsam sresam rsesam erssam ressam sesram essram sseram sseram essram sesram srseam rsseam ssream ssream rsseam srseam erssam ressam esrsam sersam rsesam sresam
Note: these 'words' (valid or invalid) are all the permutations of the word masers. These words are obtained by scrambling the letters in masers.