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:
['i', 'f', '109']

Ex Output:
0, 1, 9


Ex Input:
['b', 'g', '181', 'y', 'd', 'v', '95', 'h', 'n', '103', '41', 'm', 'h', '445', 'z']

Ex Output:
0, 1, 3, 4, 5, 8, 9


Ex Input:
['v', 'b', '187', 'c', '417', '189', 'c', 'z', 'f', 'i', '215']

Ex Output:

1, 2, 4, 5, 7, 8, 9