gistfile1.py

def find_permutations_range(w):
    if len(w) == 0:
        yield ""
    else:
        for rank in range(len(w)):
            w_without_rank = [l for (i, l) in enumerate(w) if i != rank]
            for perm in find_permutations_range(w_without_rank):
                yield w[rank] + perm

for w in find_permutations_range("jambon"):
    print w