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:
['f', '73', 'k', '333', '345', 'e', 'x', 'j']

Ex Output:
3, 4, 5, 7


Ex Input:
['177', '323', 'q', 'e', 'x', 'p', '3', 'c', 'e', '23', 's', '407', 'l', '21', 'z']

Ex Output:
0, 1, 2, 3, 4, 7


Ex Input:
['399', 'i', 'y', '441']

Ex Output:

1, 3, 4, 9