brace rbace barce abrce rabce arbce brcae rbcae bcrae cbrae rcbae crbae bacre abcre bcare cbare acbre cabre racbe arcbe rcabe crabe acrbe carbe braec rbaec barec abrec rabec arbec breac rbeac berac ebrac rebac erbac baerc aberc bearc ebarc aebrc eabrc raebc arebc reabc erabc aerbc earbc brcea rbcea bcrea cbrea rcbea crbea breca rbeca berca ebrca rebca erbca bcera cbera becra ebcra cebra ecbra rceba creba recba ercba cerba ecrba bacer abcer bcaer cbaer acber caber baecr abecr beacr ebacr aebcr eabcr bcear cbear becar ebcar cebar ecbar acebr caebr aecbr eacbr ceabr ecabr raceb arceb rcaeb craeb acreb careb raecb arecb reacb eracb aercb earcb rceab creab recab ercab cerab ecrab acerb caerb aecrb eacrb cearb ecarb
Note: these 'words' (valid or invalid) are all the permutations of the word brace. These words are obtained by scrambling the letters in brace.