bries rbies bires ibres ribes irbes breis rbeis beris ebris rebis erbis biers ibers beirs ebirs iebrs eibrs riebs irebs reibs eribs ierbs eirbs brise rbise birse ibrse ribse irbse brsie rbsie bsrie sbrie rsbie srbie bisre ibsre bsire sbire isbre sibre risbe irsbe rsibe sribe isrbe sirbe bresi rbesi bersi ebrsi rebsi erbsi brsei rbsei bsrei sbrei rsbei srbei besri ebsri bseri sberi esbri sebri resbi ersbi rsebi srebi esrbi serbi biesr ibesr beisr ebisr iebsr eibsr biser ibser bsier sbier isber siber besir ebsir bseir sbeir esbir sebir iesbr eisbr isebr siebr esibr seibr riesb iresb reisb erisb iersb eirsb riseb irseb rsieb srieb isreb sireb resib ersib rseib sreib esrib serib iesrb eisrb iserb sierb esirb seirb
Note: these 'words' (valid or invalid) are all the permutations of the word bries. These words are obtained by scrambling the letters in bries.