rebecs erbecs rbeecs breecs ebrecs berecs reebcs erebcs reebcs erebcs eerbcs eerbcs rbeecs breecs rebecs erbecs berecs ebrecs ebercs beercs eebrcs eebrcs beercs ebercs rebces erbces rbeces breces ebrces berces recbes ercbes rcebes crebes ecrbes cerbes rbcees brcees rcbees crbees bcrees cbrees ebcres becres ecbres cebres bceres cberes reecbs erecbs reecbs erecbs eercbs eercbs recebs ercebs rceebs creebs ecrebs cerebs recebs ercebs rceebs creebs ecrebs cerebs eecrbs eecrbs ecerbs ceerbs ecerbs ceerbs rbeces breces rebces erbces berces ebrces rbcees brcees rcbees crbees bcrees cbrees recbes ercbes rcebes crebes ecrbes cerbes becres ebcres bceres cberes ecbres cebres ebecrs beecrs eebcrs eebcrs beecrs ebecrs ebcers becers ecbers cebers bceers cbeers eecbrs eecbrs ecebrs ceebrs ecebrs ceebrs becers ebcers bceers cbeers ecbers cebers rebesc erbesc rbeesc breesc ebresc beresc reebsc erebsc reebsc erebsc eerbsc eerbsc rbeesc breesc rebesc erbesc beresc ebresc ebersc beersc eebrsc eebrsc beersc ebersc rebsec erbsec rbesec bresec ebrsec bersec resbec ersbec rsebec srebec esrbec serbec rbseec brseec rsbeec srbeec bsreec sbreec ebsrec besrec esbrec sebrec bserec sberec reesbc eresbc reesbc eresbc eersbc eersbc resebc ersebc rseebc sreebc esrebc serebc resebc ersebc rseebc sreebc esrebc serebc eesrbc eesrbc eserbc seerbc eserbc seerbc rbesec bresec rebsec erbsec bersec ebrsec rbseec brseec rsbeec srbeec bsreec sbreec resbec ersbec rsebec srebec esrbec serbec besrec ebsrec bserec sberec esbrec sebrec ebesrc beesrc eebsrc eebsrc beesrc ebesrc ebserc beserc esberc seberc bseerc sbeerc eesbrc eesbrc esebrc seebrc esebrc seebrc beserc ebserc bseerc sbeerc esberc seberc rebcse erbcse rbecse brecse ebrcse bercse recbse ercbse rcebse crebse ecrbse cerbse rbcese brcese rcbese crbese bcrese cbrese ebcrse becrse ecbrse cebrse bcerse cberse rebsce erbsce rbesce bresce ebrsce bersce resbce ersbce rsebce srebce esrbce serbce rbsece brsece rsbece srbece bsrece sbrece ebsrce besrce esbrce sebrce bserce sberce recsbe ercsbe rcesbe cresbe ecrsbe cersbe rescbe erscbe rsecbe srecbe esrcbe sercbe rcsebe crsebe rscebe srcebe csrebe screbe ecsrbe cesrbe escrbe secrbe cserbe scerbe rbcsee brcsee rcbsee crbsee bcrsee cbrsee rbscee brscee rsbcee srbcee bsrcee sbrcee rcsbee crsbee rscbee srcbee csrbee scrbee bcsree cbsree bscree sbcree csbree scbree ebcsre becsre ecbsre cebsre bcesre cbesre ebscre bescre esbcre sebcre bsecre sbecre ecsbre cesbre escbre secbre csebre scebre bcsere cbsere bscere sbcere csbere scbere reecsb erecsb reecsb erecsb eercsb eercsb recesb ercesb rceesb creesb ecresb ceresb recesb ercesb rceesb creesb ecresb ceresb eecrsb eecrsb ecersb ceersb ecersb ceersb reescb erescb reescb erescb eerscb eerscb resecb ersecb rseecb sreecb esrecb serecb resecb ersecb rseecb sreecb esrecb serecb eesrcb eesrcb esercb seercb esercb seercb recseb ercseb rceseb creseb ecrseb cerseb resceb ersceb rseceb sreceb esrceb serceb rcseeb crseeb rsceeb srceeb csreeb screeb ecsreb cesreb escreb secreb csereb scereb recseb ercseb rceseb creseb ecrseb cerseb resceb ersceb rseceb sreceb esrceb serceb rcseeb crseeb rsceeb srceeb csreeb screeb ecsreb cesreb escreb secreb csereb scereb eecsrb eecsrb ecesrb ceesrb ecesrb ceesrb eescrb eescrb esecrb seecrb esecrb seecrb ecserb ceserb escerb secerb cseerb sceerb ecserb ceserb escerb secerb cseerb sceerb rbecse brecse rebcse erbcse bercse ebrcse rbcese brcese rcbese crbese bcrese cbrese recbse ercbse rcebse crebse ecrbse cerbse becrse ebcrse bcerse cberse ecbrse cebrse rbesce bresce rebsce erbsce bersce ebrsce rbsece brsece rsbece srbece bsrece sbrece resbce ersbce rsebce srebce esrbce serbce besrce ebsrce bserce sberce esbrce sebrce rbcsee brcsee rcbsee crbsee bcrsee cbrsee rbscee brscee rsbcee srbcee bsrcee sbrcee rcsbee crsbee rscbee srcbee csrbee scrbee bcsree cbsree bscree sbcree csbree scbree recsbe ercsbe rcesbe cresbe ecrsbe cersbe rescbe erscbe rsecbe srecbe esrcbe sercbe rcsebe crsebe rscebe srcebe csrebe screbe ecsrbe cesrbe escrbe secrbe cserbe scerbe becsre ebcsre bcesre cbesre ecbsre cebsre bescre ebscre bsecre sbecre esbcre sebcre bcsere cbsere bscere sbcere csbere scbere ecsbre cesbre escbre secbre csebre scebre ebecsr beecsr eebcsr eebcsr beecsr ebecsr ebcesr becesr ecbesr cebesr bceesr cbeesr eecbsr eecbsr ecebsr ceebsr ecebsr ceebsr becesr ebcesr bceesr cbeesr ecbesr cebesr ebescr beescr eebscr eebscr beescr ebescr ebsecr besecr esbecr sebecr bseecr sbeecr eesbcr eesbcr esebcr seebcr esebcr seebcr besecr ebsecr bseecr sbeecr esbecr sebecr ebcser becser ecbser cebser bceser cbeser ebscer bescer esbcer sebcer bsecer sbecer ecsber cesber escber secber cseber sceber bcseer cbseer bsceer sbceer csbeer scbeer eecsbr eecsbr ecesbr ceesbr ecesbr ceesbr eescbr eescbr esecbr seecbr esecbr seecbr ecsebr cesebr escebr secebr cseebr sceebr ecsebr cesebr escebr secebr cseebr sceebr becser ebcser bceser cbeser ecbser cebser bescer ebscer bsecer sbecer esbcer sebcer bcseer cbseer bsceer sbceer csbeer scbeer ecsber cesber escber secber cseber sceber
Note: these 'words' (valid or invalid) are all the permutations of the word rebecs. These words are obtained by scrambling the letters in rebecs.