birler ibrler briler rbiler irbler ribler bilrer iblrer blirer lbirer ilbrer librer brlier rblier blrier lbrier rlbier lrbier irlber rilber ilrber lirber rliber lriber birelr ibrelr brielr rbielr irbelr ribelr bierlr iberlr beirlr ebirlr iebrlr eibrlr breilr rbeilr berilr ebrilr rebilr erbilr ireblr rieblr ierblr eirblr reiblr eriblr bilerr iblerr blierr lbierr ilberr liberr bielrr ibelrr beilrr ebilrr ieblrr eiblrr bleirr lbeirr belirr eblirr lebirr elbirr ilebrr liebrr ielbrr eilbrr leibrr elibrr brleir rbleir blreir lbreir rlbeir lrbeir brelir rbelir berlir ebrlir reblir erblir blerir lberir belrir eblrir lebrir elbrir rlebir lrebir relbir erlbir lerbir elrbir irlebr rilebr ilrebr lirebr rliebr lriebr irelbr rielbr ierlbr eirlbr reilbr erilbr ilerbr lierbr ielrbr eilrbr leirbr elirbr rleibr lreibr relibr erlibr leribr elribr birlre ibrlre brilre rbilre irblre riblre bilrre iblrre blirre lbirre ilbrre librre brlire rblire blrire lbrire rlbire lrbire irlbre rilbre ilrbre lirbre rlibre lribre birrle ibrrle brirle rbirle irbrle ribrle birrle ibrrle brirle rbirle irbrle ribrle brrile rbrile brrile rbrile rrbile rrbile irrble rirble irrble rirble rrible rrible bilrre iblrre blirre lbirre ilbrre librre birlre ibrlre brilre rbilre irblre riblre blrire lbrire brlire rblire lrbire rlbire ilrbre lirbre irlbre rilbre lribre rlibre brlrie rblrie blrrie lbrrie rlbrie lrbrie brrlie rbrlie brrlie rbrlie rrblie rrblie blrrie lbrrie brlrie rblrie lrbrie rlbrie rlrbie lrrbie rrlbie rrlbie lrrbie rlrbie irlrbe rilrbe ilrrbe lirrbe rlirbe lrirbe irrlbe rirlbe irrlbe rirlbe rrilbe rrilbe ilrrbe lirrbe irlrbe rilrbe lrirbe rlirbe rlribe lrribe rrlibe rrlibe lrribe rlribe birerl ibrerl brierl rbierl irberl riberl bierrl iberrl beirrl ebirrl iebrrl eibrrl breirl rbeirl berirl ebrirl rebirl erbirl irebrl riebrl ierbrl eirbrl reibrl eribrl birrel ibrrel brirel rbirel irbrel ribrel birrel ibrrel brirel rbirel irbrel ribrel brriel rbriel brriel rbriel rrbiel rrbiel irrbel rirbel irrbel rirbel rribel rribel bierrl iberrl beirrl ebirrl iebrrl eibrrl birerl ibrerl brierl rbierl irberl riberl berirl ebrirl breirl rbeirl erbirl rebirl ierbrl eirbrl irebrl riebrl eribrl reibrl breril rberil berril ebrril rebril erbril brreil rbreil brreil rbreil rrbeil rrbeil berril ebrril breril rberil erbril rebril rerbil errbil rrebil rrebil errbil rerbil irerbl rierbl ierrbl eirrbl reirbl erirbl irrebl rirebl irrebl rirebl rriebl rriebl ierrbl eirrbl irerbl rierbl erirbl reirbl reribl erribl rreibl rreibl erribl reribl bilerr iblerr blierr lbierr ilberr liberr bielrr ibelrr beilrr ebilrr ieblrr eiblrr bleirr lbeirr belirr eblirr lebirr elbirr ilebrr liebrr ielbrr eilbrr leibrr elibrr bilrer iblrer blirer lbirer ilbrer librer birler ibrler briler rbiler irbler ribler blrier lbrier brlier rblier lrbier rlbier ilrber lirber irlber rilber lriber rliber bierlr iberlr beirlr ebirlr iebrlr eibrlr birelr ibrelr brielr rbielr irbelr ribelr berilr ebrilr breilr rbeilr erbilr rebilr ierblr eirblr ireblr rieblr eriblr reiblr blerir lberir belrir eblrir lebrir elbrir blreir lbreir brleir rbleir lrbeir rlbeir berlir ebrlir brelir rbelir erblir reblir lerbir elrbir lrebir rlebir erlbir relbir ilerbr lierbr ielrbr eilrbr leirbr elirbr ilrebr lirebr irlebr rilebr lriebr rliebr ierlbr eirlbr irelbr rielbr erilbr reilbr leribr elribr lreibr rleibr erlibr relibr brleri rbleri blreri lbreri rlberi lrberi brelri rbelri berlri ebrlri reblri erblri blerri lberri belrri eblrri lebrri elbrri rlebri lrebri relbri erlbri lerbri elrbri brlrei rblrei blrrei lbrrei rlbrei lrbrei brrlei rbrlei brrlei rbrlei rrblei rrblei blrrei lbrrei brlrei rblrei lrbrei rlbrei rlrbei lrrbei rrlbei rrlbei lrrbei rlrbei brerli rberli berrli ebrrli rebrli erbrli brreli rbreli brreli rbreli rrbeli rrbeli berrli ebrrli brerli rberli erbrli rebrli rerbli errbli rrebli rrebli errbli rerbli blerri lberri belrri eblrri lebrri elbrri blreri lbreri brleri rbleri lrberi rlberi berlri ebrlri brelri rbelri erblri reblri lerbri elrbri lrebri rlebri erlbri relbri rlerbi lrerbi relrbi erlrbi lerrbi elrrbi rlrebi lrrebi rrlebi rrlebi lrrebi rlrebi rerlbi errlbi rrelbi rrelbi errlbi rerlbi lerrbi elrrbi lrerbi rlerbi erlrbi relrbi irlerb rilerb ilrerb lirerb rlierb lrierb irelrb rielrb ierlrb eirlrb reilrb erilrb ilerrb lierrb ielrrb eilrrb leirrb elirrb rleirb lreirb relirb erlirb lerirb elrirb irlreb rilreb ilrreb lirreb rlireb lrireb irrleb rirleb irrleb rirleb rrileb rrileb ilrreb lirreb irlreb rilreb lrireb rlireb rlrieb lrrieb rrlieb rrlieb lrrieb rlrieb irerlb rierlb ierrlb eirrlb reirlb erirlb irrelb rirelb irrelb rirelb rrielb rrielb ierrlb eirrlb irerlb rierlb erirlb reirlb rerilb errilb rreilb rreilb errilb rerilb ilerrb lierrb ielrrb eilrrb leirrb elirrb ilrerb lirerb irlerb rilerb lrierb rlierb ierlrb eirlrb irelrb rielrb erilrb reilrb lerirb elrirb lreirb rleirb erlirb relirb rlerib lrerib relrib erlrib lerrib elrrib rlreib lrreib rrleib rrleib lrreib rlreib rerlib errlib rrelib rrelib errlib rerlib lerrib elrrib lrerib rlerib erlrib relrib
Note: these 'words' (valid or invalid) are all the permutations of the word birler. These words are obtained by scrambling the letters in birler.