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:
['177', '17', '205', '25', 'n', '359', 'b', 'f', '181', 'k', '169', '483', '473', 'h']

Ex Output:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9


Ex Input:
['401', 'a', '273', 'c', '117', 'x', 'b', 'h', 's', 'v']

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


Ex Input:
['103', '69', '407', 'x', '39', 'i', '247', '429', 'v', '119', 'l', '79', '17']

Ex Output:

0, 1, 2, 3, 4, 6, 7, 9