urenas ruenas uernas eurnas reunas erunas urneas runeas unreas nureas rnueas nrueas uenras eunras uneras nueras enuras neuras renuas ernuas rneuas nreuas enruas neruas ureans rueans uerans eurans reuans eruans uraens ruaens uarens aurens rauens aruens uearns euarns uaerns auerns eaurns aeurns reauns erauns raeuns areuns earuns aeruns urnaes runaes unraes nuraes rnuaes nruaes uranes ruanes uarnes aurnes raunes arunes unares nuares uanres aunres naures anures rnaues nraues ranues arnues narues anrues uenars eunars unears nuears enuars neuars ueanrs euanrs uaenrs auenrs eaunrs aeunrs unaers nuaers uaners auners nauers anuers enaurs neaurs eanurs aenurs naeurs aneurs renaus ernaus rneaus nreaus enraus neraus reanus eranus raenus arenus earnus aernus rnaeus nraeus raneus arneus nareus anreus enarus nearus eanrus aenrus naerus anerus urensa ruensa uernsa eurnsa reunsa erunsa urnesa runesa unresa nuresa rnuesa nruesa uenrsa eunrsa unersa nuersa enursa neursa renusa ernusa rneusa nreusa enrusa nerusa uresna ruesna uersna eursna reusna erusna ursena rusena usrena surena rsuena sruena uesrna eusrna userna suerna esurna seurna resuna ersuna rseuna sreuna esruna seruna urnsea runsea unrsea nursea rnusea nrusea ursnea rusnea usrnea surnea rsunea srunea unsrea nusrea usnrea sunrea nsurea snurea rnsuea nrsuea rsnuea srnuea nsruea snruea uensra eunsra unesra nuesra enusra neusra uesnra eusnra usenra suenra esunra seunra unsera nusera usnera sunera nsuera snuera ensura nesura esnura senura nseura sneura rensua ernsua rnesua nresua enrsua nersua resnua ersnua rsenua srenua esrnua sernua rnseua nrseua rsneua srneua nsreua snreua ensrua nesrua esnrua senrua nserua snerua ureasn rueasn uerasn eurasn reuasn eruasn uraesn ruaesn uaresn auresn rauesn aruesn uearsn euarsn uaersn auersn eaursn aeursn reausn erausn raeusn areusn earusn aerusn uresan ruesan uersan eursan reusan erusan ursean rusean usrean surean rsuean sruean uesran eusran useran sueran esuran seuran resuan ersuan rseuan sreuan esruan seruan urasen ruasen uarsen aursen rausen arusen ursaen rusaen usraen suraen rsuaen sruaen uasren ausren usaren suaren asuren sauren rasuen arsuen rsauen srauen asruen saruen ueasrn euasrn uaesrn auesrn eausrn aeusrn uesarn eusarn usearn suearn esuarn seuarn uasern ausern usaern suaern asuern sauern easurn aesurn esaurn seaurn aseurn saeurn reasun erasun raesun aresun earsun aersun resaun ersaun rseaun sreaun esraun seraun raseun arseun rsaeun sraeun asreun sareun easrun aesrun esarun searun aserun saerun urnase runase unrase nurase rnuase nruase uranse ruanse uarnse aurnse raunse arunse unarse nuarse uanrse aunrse naurse anurse rnause nrause ranuse arnuse naruse anruse urnsae runsae unrsae nursae rnusae nrusae ursnae rusnae usrnae surnae rsunae srunae unsrae nusrae usnrae sunrae nsurae snurae rnsuae nrsuae rsnuae srnuae nsruae snruae urasne ruasne uarsne aursne rausne arusne ursane rusane usrane surane rsuane sruane uasrne ausrne usarne suarne asurne saurne rasune arsune rsaune sraune asrune sarune unasre nuasre uansre aunsre nausre anusre unsare nusare usnare sunare nsuare snuare uasnre ausnre usanre suanre asunre saunre nasure ansure nsaure snaure asnure sanure rnasue nrasue ransue arnsue narsue anrsue rnsaue nrsaue rsnaue srnaue nsraue snraue rasnue arsnue rsanue sranue asrnue sarnue nasrue ansrue nsarue snarue asnrue sanrue uenasr eunasr uneasr nueasr enuasr neuasr ueansr euansr uaensr auensr eaunsr aeunsr unaesr nuaesr uanesr aunesr nauesr anuesr enausr neausr eanusr aenusr naeusr aneusr uensar eunsar unesar nuesar enusar neusar uesnar eusnar usenar suenar esunar seunar unsear nusear usnear sunear nsuear snuear ensuar nesuar esnuar senuar nseuar sneuar ueasnr euasnr uaesnr auesnr eausnr aeusnr uesanr eusanr useanr sueanr esuanr seuanr uasenr ausenr usaenr suaenr asuenr sauenr easunr aesunr esaunr seaunr aseunr saeunr unaser nuaser uanser aunser nauser anuser unsaer nusaer usnaer sunaer nsuaer snuaer uasner ausner usaner suaner asuner sauner nasuer ansuer nsauer snauer asnuer sanuer enasur neasur eansur aensur naesur anesur ensaur nesaur esnaur senaur nseaur sneaur easnur aesnur esanur seanur asenur saenur naseur anseur nsaeur snaeur asneur saneur renasu ernasu rneasu nreasu enrasu nerasu reansu eransu raensu arensu earnsu aernsu rnaesu nraesu ranesu arnesu naresu anresu enarsu nearsu eanrsu aenrsu naersu anersu rensau ernsau rnesau nresau enrsau nersau resnau ersnau rsenau srenau esrnau sernau rnseau nrseau rsneau srneau nsreau snreau ensrau nesrau esnrau senrau nserau snerau reasnu erasnu raesnu aresnu earsnu aersnu resanu ersanu rseanu sreanu esranu seranu rasenu arsenu rsaenu sraenu asrenu sarenu easrnu aesrnu esarnu searnu asernu saernu rnaseu nraseu ranseu arnseu narseu anrseu rnsaeu nrsaeu rsnaeu srnaeu nsraeu snraeu rasneu arsneu rsaneu sraneu asrneu sarneu nasreu ansreu nsareu snareu asnreu sanreu enasru neasru eansru aensru naesru anesru ensaru nesaru esnaru senaru nsearu snearu easnru aesnru esanru seanru asenru saenru naseru anseru nsaeru snaeru asneru saneru
Note: these 'words' (valid or invalid) are all the permutations of the word urenas. These words are obtained by scrambling the letters in urenas.