Bris rBis Birs iBrs riBs irBs Brsi rBsi Bsri sBri rsBi srBi Bisr iBsr Bsir sBir isBr siBr risB irsB rsiB sriB isrB sirB
Note: these 'words' (valid or invalid) are all the permutations of the word Bris. These words are obtained by scrambling the letters in Bris.