In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.

Ex Input:
['391', 'y', '447', '345', '157', '265', 'x', '261', 'm', 'f', 'x', 'x', '379', 'r', 'g']

Ex Output:
1, 2, 3, 4, 5, 6, 7, 9


Ex Input:
['n', '149', 'z', '37']

Ex Output:
1, 3, 4, 7, 9


Ex Input:
['395', 't', '457', '157', '499', 'p', '103', 'f', 'w']

Ex Output:

0, 1, 3, 4, 5, 7, 9