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:
['325', '203', 'x', 'r', '189', 't', 'q', '277', '315', 'w', '377', 'g', 'l', '87', 'f']

Ex Output:
0, 1, 2, 3, 5, 7, 8, 9


Ex Input:
['i', '325', '117', 'k', 'y', 'x', '49', '349', '477', 'u', '435']

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


Ex Input:
['291', '115', 'b']

Ex Output:

1, 2, 5, 9