darers adrers draers rdaers arders raders daerrs aderrs dearrs edarrs aedrrs eadrrs drears rdears derars edrars redars erdars aredrs raedrs aerdrs eardrs readrs eradrs darres adrres drares rdares ardres radres darres adrres drares rdares ardres radres drraes rdraes drraes rdraes rrdaes rrdaes arrdes rardes arrdes rardes rrades rrades daerrs aderrs dearrs edarrs aedrrs eadrrs darers adrers draers rdaers arders raders derars edrars drears rdears erdars redars aerdrs eardrs aredrs raedrs eradrs readrs dreras rderas derras edrras redras erdras drreas rdreas drreas rdreas rrdeas rrdeas derras edrras dreras rderas erdras redras rerdas errdas rredas rredas errdas rerdas arerds raerds aerrds earrds reards erards arreds rareds arreds rareds rraeds rraeds aerrds earrds arerds raerds erards reards rerads errads rreads rreads errads rerads daresr adresr draesr rdaesr ardesr radesr daersr adersr dearsr edarsr aedrsr eadrsr dreasr rdeasr derasr edrasr redasr erdasr aredsr raedsr aerdsr eardsr readsr eradsr darser adrser draser rdaser ardser radser dasrer adsrer dsarer sdarer asdrer sadrer drsaer rdsaer dsraer sdraer rsdaer srdaer arsder rasder asrder sarder rsader srader daesrr adesrr deasrr edasrr aedsrr eadsrr daserr adserr dsaerr sdaerr asderr saderr desarr edsarr dsearr sdearr esdarr sedarr aesdrr easdrr asedrr saedrr esadrr seadrr dresar rdesar dersar edrsar redsar erdsar drsear rdsear dsrear sdrear rsdear srdear desrar edsrar dserar sderar esdrar sedrar resdar ersdar rsedar sredar esrdar serdar aresdr raesdr aersdr earsdr reasdr erasdr arsedr rasedr asredr saredr rsaedr sraedr aesrdr easrdr aserdr saerdr esardr seardr resadr ersadr rseadr sreadr esradr seradr darrse adrrse drarse rdarse ardrse radrse darrse adrrse drarse rdarse ardrse radrse drrase rdrase drrase rdrase rrdase rrdase arrdse rardse arrdse rardse rradse rradse darsre adrsre drasre rdasre ardsre radsre dasrre adsrre dsarre sdarre asdrre sadrre drsare rdsare dsrare sdrare rsdare srdare arsdre rasdre asrdre sardre rsadre sradre darsre adrsre drasre rdasre ardsre radsre dasrre adsrre dsarre sdarre asdrre sadrre drsare rdsare dsrare sdrare rsdare srdare arsdre rasdre asrdre sardre rsadre sradre drrsae rdrsae drrsae rdrsae rrdsae rrdsae drsrae rdsrae dsrrae sdrrae rsdrae srdrae drsrae rdsrae dsrrae sdrrae rsdrae srdrae rrsdae rrsdae rsrdae srrdae rsrdae srrdae arrsde rarsde arrsde rarsde rrasde rrasde arsrde rasrde asrrde sarrde rsarde srarde arsrde rasrde asrrde sarrde rsarde srarde rrsade rrsade rsrade srrade rsrade srrade daersr adersr dearsr edarsr aedrsr eadrsr daresr adresr draesr rdaesr ardesr radesr derasr edrasr dreasr rdeasr erdasr redasr aerdsr eardsr aredsr raedsr eradsr readsr daesrr adesrr deasrr edasrr aedsrr eadsrr daserr adserr dsaerr sdaerr asderr saderr desarr edsarr dsearr sdearr esdarr sedarr aesdrr easdrr asedrr saedrr esadrr seadrr darser adrser draser rdaser ardser radser dasrer adsrer dsarer sdarer asdrer sadrer drsaer rdsaer dsraer sdraer rsdaer srdaer arsder rasder asrder sarder rsader srader dersar edrsar dresar rdesar erdsar redsar desrar edsrar dserar sderar esdrar sedrar drsear rdsear dsrear sdrear rsdear srdear ersdar resdar esrdar serdar rsedar sredar aersdr earsdr aresdr raesdr erasdr reasdr aesrdr easrdr aserdr saerdr esardr seardr arsedr rasedr asredr saredr rsaedr sraedr ersadr resadr esradr seradr rseadr sreadr drersa rdersa derrsa edrrsa redrsa erdrsa drresa rdresa drresa rdresa rrdesa rrdesa derrsa edrrsa drersa rdersa erdrsa redrsa rerdsa errdsa rredsa rredsa errdsa rerdsa dresra rdesra dersra edrsra redsra erdsra drsera rdsera dsrera sdrera rsdera srdera desrra edsrra dserra sderra esdrra sedrra resdra ersdra rsedra sredra esrdra serdra drrsea rdrsea drrsea rdrsea rrdsea rrdsea drsrea rdsrea dsrrea sdrrea rsdrea srdrea drsrea rdsrea dsrrea sdrrea rsdrea srdrea rrsdea rrsdea rsrdea srrdea rsrdea srrdea dersra edrsra dresra rdesra erdsra redsra desrra edsrra dserra sderra esdrra sedrra drsera rdsera dsrera sdrera rsdera srdera ersdra resdra esrdra serdra rsedra sredra rersda errsda rresda rresda errsda rersda resrda ersrda rserda srerda esrrda serrda rrseda rrseda rsreda srreda rsreda srreda ersrda resrda esrrda serrda rserda srerda arersd raersd aerrsd earrsd rearsd erarsd arresd raresd arresd raresd rraesd rraesd aerrsd earrsd arersd raersd erarsd rearsd rerasd errasd rreasd rreasd errasd rerasd aresrd raesrd aersrd earsrd reasrd erasrd arserd raserd asrerd sarerd rsaerd sraerd aesrrd easrrd aserrd saerrd esarrd searrd resard ersard rseard sreard esrard serard arrsed rarsed arrsed rarsed rrased rrased arsred rasred asrred sarred rsared srared arsred rasred asrred sarred rsared srared rrsaed rrsaed rsraed srraed rsraed srraed aersrd earsrd aresrd raesrd erasrd reasrd aesrrd easrrd aserrd saerrd esarrd searrd arserd raserd asrerd sarerd rsaerd sraerd ersard resard esrard serard rseard sreard rersad errsad rresad rresad errsad rersad resrad ersrad rserad srerad esrrad serrad rrsead rrsead rsread srread rsread srread ersrad resrad esrrad serrad rserad srerad
Note: these 'words' (valid or invalid) are all the permutations of the word darers. These words are obtained by scrambling the letters in darers.