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:
['z', '273', '447', 'h']

Ex Output:
2, 3, 4, 7


Ex Input:
['235', '17', 'k', 'h', 'o', 'g', '97', 'h', '165']

Ex Output:
1, 2, 3, 5, 6, 7, 9


Ex Input:
['43', 'w']

Ex Output:

3, 4