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.

['h', '477', 'w', '315', 'k', 'd', '367', '411', '207', 'b', '81', 'k', 'f', '107', '103']
0, 1, 2, 3, 4, 5, 6, 7, 8

['391', 'y', '447', '345', '157', '265', 'x', '261', 'm', 'f', 'x', 'x', '379', 'r', 'g']
1, 2, 3, 4, 5, 6, 7, 9

['c', '435', 'c', 'q', 'u', '191', 'b', 'l', '217']

1, 2, 3, 4, 5, 7, 9

