rulers urlers rluers lruers ulrers lurers ruelrs urelrs reulrs erulrs uerlrs eurlrs rleurs lreurs relurs erlurs lerurs elrurs ulerrs luerrs uelrrs eulrrs leurrs elurrs rulres urlres rlures lrures ulrres lurres rurles urrles rrules rrules urrles rurles rlrues lrrues rrlues rrlues lrrues rlrues ulrres lurres urlres rulres lrures rlures ruerls urerls reurls erurls uerrls eurrls rurels urrels rruels rruels urrels rurels reruls erruls rreuls rreuls erruls reruls uerrls eurrls urerls ruerls erurls reurls rlerus lrerus relrus erlrus lerrus elrrus rlreus lrreus rrleus rrleus lrreus rlreus rerlus errlus rrelus rrelus errlus rerlus lerrus elrrus lrerus rlerus erlrus relrus ulerrs luerrs uelrrs eulrrs leurrs elurrs ulrers lurers urlers rulers lruers rluers uerlrs eurlrs urelrs ruelrs erulrs reulrs lerurs elrurs lreurs rleurs erlurs relurs rulesr urlesr rluesr lruesr ulresr luresr ruelsr urelsr reulsr erulsr uerlsr eurlsr rleusr lreusr relusr erlusr lerusr elrusr ulersr luersr uelrsr eulrsr leursr elursr rulser urlser rluser lruser ulrser lurser rusler ursler rsuler sruler usrler surler rlsuer lrsuer rsluer srluer lsruer slruer ulsrer lusrer uslrer sulrer lsurer slurer rueslr ureslr reuslr eruslr uerslr eurslr ruselr urselr rsuelr sruelr usrelr surelr resulr ersulr rseulr sreulr esrulr serulr uesrlr eusrlr userlr suerlr esurlr seurlr rlesur lresur relsur erlsur lersur elrsur rlseur lrseur rsleur srleur lsreur slreur reslur erslur rselur srelur esrlur serlur lesrur elsrur lserur slerur eslrur selrur ulesrr luesrr uelsrr eulsrr leusrr elusrr ulserr luserr uslerr sulerr lsuerr sluerr ueslrr euslrr uselrr suelrr esulrr seulrr lesurr elsurr lseurr sleurr eslurr selurr rulrse urlrse rlurse lrurse ulrrse lurrse rurlse urrlse rrulse rrulse urrlse rurlse rlruse lrruse rrluse rrluse lrruse rlruse ulrrse lurrse urlrse rulrse lrurse rlurse rulsre urlsre rlusre lrusre ulrsre lursre ruslre urslre rsulre srulre usrlre surlre rlsure lrsure rslure srlure lsrure slrure ulsrre lusrre uslrre sulrre lsurre slurre rursle urrsle rrusle rrusle urrsle rursle rusrle ursrle rsurle srurle usrrle surrle rrsule rrsule rsrule srrule rsrule srrule ursrle rusrle usrrle surrle rsurle srurle rlrsue lrrsue rrlsue rrlsue lrrsue rlrsue rlsrue lrsrue rslrue srlrue lsrrue slrrue rrslue rrslue rsrlue srrlue rsrlue srrlue lrsrue rlsrue lsrrue slrrue rslrue srlrue ulrsre lursre urlsre rulsre lrusre rlusre ulsrre lusrre uslrre sulrre lsurre slurre urslre ruslre usrlre surlre rsulre srulre lrsure rlsure lsrure slrure rslure srlure ruersl urersl reursl erursl uerrsl eurrsl ruresl urresl rruesl rruesl urresl ruresl rerusl errusl rreusl rreusl errusl rerusl uerrsl eurrsl urersl ruersl erursl reursl ruesrl uresrl reusrl erusrl uersrl eursrl ruserl urserl rsuerl sruerl usrerl surerl resurl ersurl rseurl sreurl esrurl serurl uesrrl eusrrl userrl suerrl esurrl seurrl rursel urrsel rrusel rrusel urrsel rursel rusrel ursrel rsurel srurel usrrel surrel rrsuel rrsuel rsruel srruel rsruel srruel ursrel rusrel usrrel surrel rsurel srurel rersul errsul rresul rresul errsul rersul resrul ersrul rserul srerul esrrul serrul rrseul rrseul rsreul srreul rsreul srreul ersrul resrul esrrul serrul rserul srerul uersrl eursrl uresrl ruesrl erusrl reusrl uesrrl eusrrl userrl suerrl esurrl seurrl urserl ruserl usrerl surerl rsuerl sruerl ersurl resurl esrurl serurl rseurl sreurl rlersu lrersu relrsu erlrsu lerrsu elrrsu rlresu lrresu rrlesu rrlesu lrresu rlresu rerlsu errlsu rrelsu rrelsu errlsu rerlsu lerrsu elrrsu lrersu rlersu erlrsu relrsu rlesru lresru relsru erlsru lersru elrsru rlseru lrseru rsleru srleru lsreru slreru reslru erslru rselru srelru esrlru serlru lesrru elsrru lserru slerru eslrru selrru rlrseu lrrseu rrlseu rrlseu lrrseu rlrseu rlsreu lrsreu rslreu srlreu lsrreu slrreu rrsleu rrsleu rsrleu srrleu rsrleu srrleu lrsreu rlsreu lsrreu slrreu rslreu srlreu rerslu errslu rreslu rreslu errslu rerslu resrlu ersrlu rserlu srerlu esrrlu serrlu rrselu rrselu rsrelu srrelu rsrelu srrelu ersrlu resrlu esrrlu serrlu rserlu srerlu lersru elrsru lresru rlesru erlsru relsru lesrru elsrru lserru slerru eslrru selrru lrseru rlseru lsreru slreru rsleru srleru erslru reslru esrlru serlru rselru srelru ulersr luersr uelrsr eulrsr leursr elursr ulresr luresr urlesr rulesr lruesr rluesr uerlsr eurlsr urelsr ruelsr erulsr reulsr lerusr elrusr lreusr rleusr erlusr relusr ulesrr luesrr uelsrr eulsrr leusrr elusrr ulserr luserr uslerr sulerr lsuerr sluerr ueslrr euslrr uselrr suelrr esulrr seulrr lesurr elsurr lseurr sleurr eslurr selurr ulrser lurser urlser rulser lruser rluser ulsrer lusrer uslrer sulrer lsurer slurer ursler rusler usrler surler rsuler sruler lrsuer rlsuer lsruer slruer rsluer srluer uerslr eurslr ureslr rueslr eruslr reuslr uesrlr eusrlr userlr suerlr esurlr seurlr urselr ruselr usrelr surelr rsuelr sruelr ersulr resulr esrulr serulr rseulr sreulr lersur elrsur lresur rlesur erlsur relsur lesrur elsrur lserur slerur eslrur selrur lrseur rlseur lsreur slreur rsleur srleur erslur reslur esrlur serlur rselur srelur
Note: these 'words' (valid or invalid) are all the permutations of the word rulers. These words are obtained by scrambling the letters in rulers.