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.

['489', 'y', 's', 'x', '203', 't', 'y', '461', 'v', 'k', '371', 'e']
0, 1, 2, 3, 4, 6, 7, 8, 9

['129', '373', '461', 'h', 'r', '163', '361', '483', '463', 'e', 'z', 'l']
1, 2, 3, 4, 6, 7, 8, 9

['h', '477', 'w', '315', 'k', 'd', '367', '411', '207', 'b', '81', 'k', 'f', '107', '103']

0, 1, 2, 3, 4, 5, 6, 7, 8