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:
['431', '245', '23', 'c', '185', 'k', '155', '163', 'e', '35', 'r', '175', '163']

Ex Output:
1, 2, 3, 4, 5, 6, 7, 8


Ex Input:
['t', 'u', 'e', 'a', '369', 'e', 'r', 'm']

Ex Output:
3, 6, 9


Ex Input:
['o', 'a', 'a', 'u', '237', '87', '47', 'g', '123', '101', 'a', 'i', 'c', '79', 'x']

Ex Output:

0, 1, 2, 3, 4, 7, 8, 9