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h={}
h[1]     = [1, 2, 8, 3] # <--- список
h[2]     = [4, 11, 8]
#...
h['abc'] = [8, 3, 9, 1, 4]
#...

1, 4,..., 8
1, 4,..., 3
1, 4,..., 9
...
3, 8,..., 4

>>> from itertools import product

>>> h={}
>>> h[1]     = [1, 2, 8, 3] 
>>> h[2]     = [4, 11, 8]
>>> h['abc'] = [8, 3, 9, 1, 4]
>>> list(product(*h.values())) 
[(1, 4, 8),
 (1, 4, 3),
 (1, 4, 9),
 (1, 4, 1),
 (1, 4, 4),
 (1, 11, 8),
 (1, 11, 3),
 (1, 11, 9),
 (1, 11, 1),
 (1, 11, 4),
 (1, 8, 8),
 (1, 8, 3),
 (1, 8, 9),
 (1, 8, 1),
 (1, 8, 4),
 (2, 4, 8),
 (2, 4, 3),
 (2, 4, 9),
 (2, 4, 1),
 (2, 4, 4),
 (2, 11, 8),
 (2, 11, 3),
 (2, 11, 9),
 (2, 11, 1),
 (2, 11, 4),
 (2, 8, 8),
 (2, 8, 3),
 (2, 8, 9),
 (2, 8, 1),
 (2, 8, 4),
 (8, 4, 8),
 (8, 4, 3),
 (8, 4, 9),
 (8, 4, 1),
 (8, 4, 4),
 (8, 11, 8),
 (8, 11, 3),
 (8, 11, 9),
 (8, 11, 1),
 (8, 11, 4),
 (8, 8, 8),
 (8, 8, 3),
 (8, 8, 9),
 (8, 8, 1),
 (8, 8, 4),
 (3, 4, 8),
 (3, 4, 3),
 (3, 4, 9),
 (3, 4, 1),
 (3, 4, 4),
 (3, 11, 8),
 (3, 11, 3),
 (3, 11, 9),
 (3, 11, 1),
 (3, 11, 4),
 (3, 8, 8),
 (3, 8, 3),
 (3, 8, 9),
 (3, 8, 1),
 (3, 8, 4)]