raiser ariser riaser iraser airser iarser rasier arsier rsaier sraier asrier sarier risaer irsaer rsiaer sriaer israer siraer aisrer iasrer asirer sairer isarer siarer raiesr ariesr riaesr iraesr airesr iaresr raeisr areisr reaisr eraisr aerisr earisr rieasr ireasr reiasr eriasr ierasr eirasr aiersr iaersr aeirsr eairsr iearsr eiarsr raseir arseir rsaeir sraeir asreir sareir raesir aresir reasir erasir aersir earsir rseair sreair resair ersair serair esrair aserir saerir aesrir easrir searir esarir risear irsear rsiear sriear isrear sirear riesar iresar reisar erisar iersar eirsar rseiar sreiar resiar ersiar seriar esriar iserar sierar iesrar eisrar seirar esirar aiserr iaserr asierr saierr isaerr siaerr aiesrr iaesrr aeisrr eaisrr ieasrr eiasrr aseirr saeirr aesirr easirr seairr esairr isearr siearr iesarr eisarr seiarr esiarr raisre arisre riasre irasre airsre iarsre rasire arsire rsaire sraire asrire sarire risare irsare rsiare sriare israre sirare aisrre iasrre asirre sairre isarre siarre rairse arirse riarse irarse airrse iarrse rarise arrise rraise rraise arrise rarise rirase irrase rriase rriase irrase rirase airrse iarrse arirse rairse irarse riarse rasrie arsrie rsarie srarie asrrie sarrie rarsie arrsie rrasie rrasie arrsie rarsie rsraie srraie rrsaie rrsaie srraie rsraie asrrie sarrie arsrie rasrie srarie rsarie risrae irsrae rsirae srirae isrrae sirrae rirsae irrsae rrisae rrisae irrsae rirsae rsriae srriae rrsiae rrsiae srriae rsriae isrrae sirrae irsrae risrae srirae rsirae aisrre iasrre asirre sairre isarre siarre airsre iarsre arisre raisre irasre riasre asrire sarire arsire rasire sraire rsaire israre sirare irsare risare sriare rsiare raiers ariers riaers iraers airers iarers raeirs areirs reairs erairs aerirs earirs riears irears reiars eriars ierars eirars aierrs iaerrs aeirrs eairrs iearrs eiarrs raires arires riares irares airres iarres raries arries rraies rraies arries raries riraes irraes rriaes rriaes irraes riraes airres iarres arires raires irares riares raeris areris rearis eraris aerris earris rareis arreis rraeis rraeis arreis rareis rerais errais rreais rreais errais rerais aerris earris areris raeris eraris rearis rieras ireras reiras eriras ierras eirras rireas irreas rrieas rrieas irreas rireas rerias errias rreias rreias errias rerias ierras eirras ireras rieras eriras reiras aierrs iaerrs aeirrs eairrs iearrs eiarrs airers iarers ariers raiers iraers riaers aerirs earirs areirs raeirs erairs reairs ierars eirars irears riears eriars reiars raseri arseri rsaeri sraeri asreri sareri raesri aresri reasri erasri aersri earsri rseari sreari resari ersari serari esrari aserri saerri aesrri easrri searri esarri rasrei arsrei rsarei srarei asrrei sarrei rarsei arrsei rrasei rrasei arrsei rarsei rsraei srraei rrsaei rrsaei srraei rsraei asrrei sarrei arsrei rasrei srarei rsarei raersi arersi rearsi erarsi aerrsi earrsi raresi arresi rraesi rraesi arresi raresi rerasi errasi rreasi rreasi errasi rerasi aerrsi earrsi arersi raersi erarsi rearsi rserai srerai resrai ersrai serrai esrrai rsreai srreai rrseai rrseai srreai rsreai rersai errsai rresai rresai errsai rersai serrai esrrai srerai rserai ersrai resrai aserri saerri aesrri easrri searri esarri asreri sareri arseri raseri sraeri rsaeri aersri earsri aresri raesri erasri reasri serari esrari sreari rseari ersari resari risera irsera rsiera sriera isrera sirera riesra iresra reisra erisra iersra eirsra rseira sreira resira ersira serira esrira iserra sierra iesrra eisrra seirra esirra risrea irsrea rsirea srirea isrrea sirrea rirsea irrsea rrisea rrisea irrsea rirsea rsriea srriea rrsiea rrsiea srriea rsriea isrrea sirrea irsrea risrea srirea rsirea riersa irersa reirsa erirsa ierrsa eirrsa riresa irresa rriesa rriesa irresa riresa rerisa errisa rreisa rreisa errisa rerisa ierrsa eirrsa irersa riersa erirsa reirsa rseria sreria resria ersria serria esrria rsreia srreia rrseia rrseia srreia rsreia rersia errsia rresia rresia errsia rersia serria esrria sreria rseria ersria resria iserra sierra iesrra eisrra seirra esirra isrera sirera irsera risera sriera rsiera iersra eirsra iresra riesra erisra reisra serira esrira sreira rseira ersira resira aiserr iaserr asierr saierr isaerr siaerr aiesrr iaesrr aeisrr eaisrr ieasrr eiasrr aseirr saeirr aesirr easirr seairr esairr isearr siearr iesarr eisarr seiarr esiarr aisrer iasrer asirer sairer isarer siarer airser iarser ariser raiser iraser riaser asrier sarier arsier rasier sraier rsaier israer siraer irsaer risaer sriaer rsiaer aiersr iaersr aeirsr eairsr iearsr eiarsr airesr iaresr ariesr raiesr iraesr riaesr aerisr earisr areisr raeisr eraisr reaisr ierasr eirasr ireasr rieasr eriasr reiasr aserir saerir aesrir easrir searir esarir asreir sareir arseir raseir sraeir rsaeir aersir earsir aresir raesir erasir reasir serair esrair sreair rseair ersair resair iserar sierar iesrar eisrar seirar esirar isrear sirear irsear risear sriear rsiear iersar eirsar iresar riesar erisar reisar seriar esriar sreiar rseiar ersiar resiar
Note: these 'words' (valid or invalid) are all the permutations of the word raiser. These words are obtained by scrambling the letters in raiser.