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:
['l', '269', 'l', '379', '359']

Ex Output:
2, 3, 5, 6, 7, 9


Ex Input:
['a', '491', '477', '193', 'b', 'l', 'c']

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


Ex Input:
['v', 'r', '67', '49']

Ex Output:

4, 6, 7, 9