barca abrca braca rbaca arbca rabca bacra abcra bcara cbara acbra cabra brcaa rbcaa bcraa cbraa rcbaa crbaa arcba racba acrba carba rcaba craba barac abrac braac rbaac arbac rabac baarc abarc baarc abarc aabrc aabrc braac rbaac barac abrac rabac arbac arabc raabc aarbc aarbc raabc arabc bacar abcar bcaar cbaar acbar cabar baacr abacr baacr abacr aabcr aabcr bcaar cbaar bacar abcar cabar acbar acabr caabr aacbr aacbr caabr acabr brcaa rbcaa bcraa cbraa rcbaa crbaa braca rbaca barca abrca rabca arbca bcara cbara bacra abcra cabra acbra rcaba craba racba arcba carba acrba arcab racab acrab carab rcaab craab aracb raacb aarcb aarcb raacb aracb acarb caarb aacrb aacrb caarb acarb rcaab craab racab arcab carab acrab
Note: these 'words' (valid or invalid) are all the permutations of the word barca. These words are obtained by scrambling the letters in barca.