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.

['43', 'f', '449', 't', 'z', 'q', '259', 's', 'n', 'h', '123', 'z']
1, 2, 3, 4, 5, 9

['203', 'p', 'r', 'r', 'c', 'w', 'z', 'w', 'a', '203', 'n']
0, 2, 3

['g', 'n', '29', '261', 'b', '221']

1, 2, 6, 9