>>> 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')])
Run Code Online (Sandbox Code Playgroud)