import itertools
perms = ["".join(seq) for seq in itertools.product("01",repeat=7)]
p = '0' #our parity bit, only adding for correct length padding, not concerned in parity checksums here
for a in perms:
    for b in perms:
        for c in perms:
            for d in perms:
                for e in perms:
                    key  = a+p+b+p+c+p+d+p
                    key += a+p+b+p+c+p+e+p
                    print(key)