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', 'b', 'w', '409', 'f', '67', 's', '21', 'y', 'c', '401', 'f', 'k', '319']

Ex Output:
0, 1, 2, 3, 4, 6, 7, 9


Ex Input:
['49', 'r', '179', 'h', 'q', 'h', 'w', '187', '427', 'x', 'r']

Ex Output:
1, 2, 4, 7, 8, 9


Ex Input:
['p', 'v', 'a', '169', 'f', '295']

Ex Output:

1, 2, 5, 6, 9