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:
['61', '417', '437', '489', '383', 'n', '11', 'o', 'a', 'v', '37', 'q', '317']

Ex Output:
1, 3, 4, 6, 7, 8, 9


Ex Input:
['h', '281', 'x', '471']

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


Ex Input:
['s', '99', 's', '297', 'y', 't']

Ex Output:

2, 7, 9