beefy ebefy beefy ebefy eebfy eebfy befey ebfey bfeey fbeey efbey febey befey ebfey bfeey fbeey efbey febey eefby eefby efeby feeby efeby feeby beeyf ebeyf beeyf ebeyf eebyf eebyf beyef ebyef byeef ybeef eybef yebef beyef ebyef byeef ybeef eybef yebef eeybf eeybf eyebf yeebf eyebf yeebf befye ebfye bfeye fbeye efbye febye beyfe ebyfe byefe ybefe eybfe yebfe bfyee fbyee byfee ybfee fybee yfbee efybe feybe eyfbe yefbe fyebe yfebe befye ebfye bfeye fbeye efbye febye beyfe ebyfe byefe ybefe eybfe yebfe bfyee fbyee byfee ybfee fybee yfbee efybe feybe eyfbe yefbe fyebe yfebe eefyb eefyb efeyb feeyb efeyb feeyb eeyfb eeyfb eyefb yeefb eyefb yeefb efyeb feyeb eyfeb yefeb fyeeb yfeeb efyeb feyeb eyfeb yefeb fyeeb yfeeb
Note: these 'words' (valid or invalid) are all the permutations of the word beefy. These words are obtained by scrambling the letters in beefy.