get all combinations words of a string

Question

i want all combinations words of string "my first program"

Answer 1

>>> lst = "my first program".split()
>>> set(itertools.permutations(lst))

set([('first', 'my', 'program'),
     ('first', 'program', 'my'),
     ('my', 'first', 'program'),
     ('my', 'program', 'first'),
     ('program', 'first', 'my'),
     ('program', 'my', 'first')])