buret ubret bruet rbuet urbet rubet buert ubert beurt eburt uebrt eubrt breut rbeut berut ebrut rebut erbut urebt ruebt uerbt eurbt reubt erubt burte ubrte brute rbute urbte rubte butre ubtre bture tbure utbre tubre brtue rbtue btrue tbrue rtbue trbue urtbe rutbe utrbe turbe rtube trube buetr ubetr beutr ebutr uebtr eubtr buter ubter btuer tbuer utber tuber betur ebtur bteur tbeur etbur tebur uetbr eutbr utebr tuebr etubr teubr bretu rbetu bertu ebrtu rebtu erbtu brteu rbteu btreu tbreu rtbeu trbeu betru ebtru bteru tberu etbru tebru retbu ertbu rtebu trebu etrbu terbu uretb ruetb uertb eurtb reutb erutb urteb ruteb utreb tureb rtueb trueb uetrb eutrb uterb tuerb eturb teurb retub ertub rteub treub etrub terub
Note: these 'words' (valid or invalid) are all the permutations of the word buret. These words are obtained by scrambling the letters in buret.