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:
['s', '291', '257', 'w', '497', '309']

Ex Output:
0, 1, 2, 3, 4, 5, 7, 9


Ex Input:
['x', '281', 'n', '385', '435', 'l', 's', '445', 'n', 'n', '133']

Ex Output:
1, 2, 3, 4, 5, 8


Ex Input:
['g', 'c', 'x', '357']

Ex Output:

3, 5, 7