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.

['g', 'g', 'r', 'g', 'b', 'z', '441', 'z', 'f', '35', 'x', '327', 'l', 'n']
1, 2, 3, 4, 5, 7

['401', 'a', '273', 'c', '117', 'x', 'b', 'h', 's', 'v']
0, 1, 2, 3, 4, 7

['447', 'j', '81', '415', '71', 'o', '367', 'u', '481', '471', 'y', '399', 'k', '337']

1, 3, 4, 5, 6, 7, 8, 9