brules rbules burles ubrles rubles urbles brlues rblues blrues lbrues rlbues lrbues bulres ublres blures lbures ulbres lubres rulbes urlbes rlubes lrubes ulrbes lurbes bruels rbuels burels ubrels rubels urbels breuls rbeuls beruls ebruls rebuls erbuls buerls uberls beurls eburls uebrls eubrls ruebls urebls reubls erubls uerbls eurbls brleus rbleus blreus lbreus rlbeus lrbeus brelus rbelus berlus ebrlus reblus erblus blerus lberus belrus eblrus lebrus elbrus rlebus lrebus relbus erlbus lerbus elrbus bulers ublers bluers lbuers ulbers lubers buelrs ubelrs beulrs ebulrs ueblrs eublrs bleurs lbeurs belurs eblurs leburs elburs ulebrs luebrs uelbrs eulbrs leubrs elubrs rulebs urlebs rluebs lruebs ulrebs lurebs ruelbs urelbs reulbs erulbs uerlbs eurlbs rleubs lreubs relubs erlubs lerubs elrubs ulerbs luerbs uelrbs eulrbs leurbs elurbs brulse rbulse burlse ubrlse rublse urblse brluse rbluse blruse lbruse rlbuse lrbuse bulrse ublrse blurse lburse ulbrse lubrse rulbse urlbse rlubse lrubse ulrbse lurbse brusle rbusle bursle ubrsle rubsle urbsle brsule rbsule bsrule sbrule rsbule srbule busrle ubsrle bsurle sburle usbrle subrle rusble ursble rsuble sruble usrble surble brlsue rblsue blrsue lbrsue rlbsue lrbsue brslue rbslue bsrlue sbrlue rsblue srblue blsrue lbsrue bslrue sblrue lsbrue slbrue rlsbue lrsbue rslbue srlbue lsrbue slrbue bulsre ublsre blusre lbusre ulbsre lubsre buslre ubslre bsulre sbulre usblre sublre blsure lbsure bslure sblure lsbure slbure ulsbre lusbre uslbre sulbre lsubre slubre rulsbe urlsbe rlusbe lrusbe ulrsbe lursbe ruslbe urslbe rsulbe srulbe usrlbe surlbe rlsube lrsube rslube srlube lsrube slrube ulsrbe lusrbe uslrbe sulrbe lsurbe slurbe bruesl rbuesl buresl ubresl rubesl urbesl breusl rbeusl berusl ebrusl rebusl erbusl buersl ubersl beursl ebursl uebrsl eubrsl ruebsl urebsl reubsl erubsl uerbsl eurbsl brusel rbusel bursel ubrsel rubsel urbsel brsuel rbsuel bsruel sbruel rsbuel srbuel busrel ubsrel bsurel sburel usbrel subrel rusbel ursbel rsubel srubel usrbel surbel bresul rbesul bersul ebrsul rebsul erbsul brseul rbseul bsreul sbreul rsbeul srbeul besrul ebsrul bserul sberul esbrul sebrul resbul ersbul rsebul srebul esrbul serbul buesrl ubesrl beusrl ebusrl uebsrl eubsrl buserl ubserl bsuerl sbuerl usberl suberl besurl ebsurl bseurl sbeurl esburl seburl uesbrl eusbrl usebrl suebrl esubrl seubrl ruesbl uresbl reusbl erusbl uersbl eursbl rusebl ursebl rsuebl sruebl usrebl surebl resubl ersubl rseubl sreubl esrubl serubl uesrbl eusrbl userbl suerbl esurbl seurbl brlesu rblesu blresu lbresu rlbesu lrbesu brelsu rbelsu berlsu ebrlsu reblsu erblsu blersu lbersu belrsu eblrsu lebrsu elbrsu rlebsu lrebsu relbsu erlbsu lerbsu elrbsu brlseu rblseu blrseu lbrseu rlbseu lrbseu brsleu rbsleu bsrleu sbrleu rsbleu srbleu blsreu lbsreu bslreu sblreu lsbreu slbreu rlsbeu lrsbeu rslbeu srlbeu lsrbeu slrbeu breslu rbeslu berslu ebrslu rebslu erbslu brselu rbselu bsrelu sbrelu rsbelu srbelu besrlu ebsrlu bserlu sberlu esbrlu sebrlu resblu ersblu rseblu sreblu esrblu serblu blesru lbesru belsru eblsru lebsru elbsru blseru lbseru bsleru sbleru lsberu slberu beslru ebslru bselru sbelru esblru seblru lesbru elsbru lsebru slebru eslbru selbru rlesbu lresbu relsbu erlsbu lersbu elrsbu rlsebu lrsebu rslebu srlebu lsrebu slrebu reslbu erslbu rselbu srelbu esrlbu serlbu lesrbu elsrbu lserbu slerbu eslrbu selrbu bulesr ublesr bluesr lbuesr ulbesr lubesr buelsr ubelsr beulsr ebulsr ueblsr eublsr bleusr lbeusr belusr eblusr lebusr elbusr ulebsr luebsr uelbsr eulbsr leubsr elubsr bulser ublser bluser lbuser ulbser lubser busler ubsler bsuler sbuler usbler subler blsuer lbsuer bsluer sbluer lsbuer slbuer ulsber lusber uslber sulber lsuber sluber bueslr ubeslr beuslr ebuslr uebslr eubslr buselr ubselr bsuelr sbuelr usbelr subelr besulr ebsulr bseulr sbeulr esbulr sebulr uesblr eusblr useblr sueblr esublr seublr blesur lbesur belsur eblsur lebsur elbsur blseur lbseur bsleur sbleur lsbeur slbeur beslur ebslur bselur sbelur esblur seblur lesbur elsbur lsebur slebur eslbur selbur ulesbr luesbr uelsbr eulsbr leusbr elusbr ulsebr lusebr uslebr sulebr lsuebr sluebr ueslbr euslbr uselbr suelbr esulbr seulbr lesubr elsubr lseubr sleubr eslubr selubr rulesb urlesb rluesb lruesb ulresb luresb ruelsb urelsb reulsb erulsb uerlsb eurlsb rleusb lreusb relusb erlusb lerusb elrusb ulersb luersb uelrsb eulrsb leursb elursb rulseb urlseb rluseb lruseb ulrseb lurseb rusleb ursleb rsuleb sruleb usrleb surleb rlsueb lrsueb rslueb srlueb lsrueb slrueb ulsreb lusreb uslreb sulreb lsureb slureb rueslb ureslb reuslb eruslb uerslb eurslb ruselb urselb rsuelb sruelb usrelb surelb resulb ersulb rseulb sreulb esrulb serulb uesrlb eusrlb userlb suerlb esurlb seurlb rlesub lresub relsub erlsub lersub elrsub rlseub lrseub rsleub srleub lsreub slreub reslub erslub rselub srelub esrlub serlub lesrub elsrub lserub slerub eslrub selrub ulesrb luesrb uelsrb eulsrb leusrb elusrb ulserb luserb uslerb sulerb lsuerb sluerb ueslrb euslrb uselrb suelrb esulrb seulrb lesurb elsurb lseurb sleurb eslurb selurb
Note: these 'words' (valid or invalid) are all the permutations of the word brules. These words are obtained by scrambling the letters in brules.