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.

['c', '155', '61']
1, 5, 6

['e', 'o', 'c', 'j', 'g', '249', 's', 'b', 'f', '359', '107', 'i']
0, 1, 2, 3, 4, 5, 7, 9

['v', 'q', '139', '79', '149', '469', 'g', '239', '221', 'v', '77']

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