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.

Ex Input:
['r', 'u', '83', 'x', '155', '89', 'c', '391', '41', 'o', 'i', '161']

Ex Output:
1, 3, 4, 5, 6, 8, 9


Ex Input:
['h', '475', 'x', '53', '461', 'c']

Ex Output:
1, 3, 4, 5, 6, 7


Ex Input:
['g', 'g', 'a', 'y', '319', '123', '349', '437', '81']

Ex Output:

1, 2, 3, 4, 7, 8, 9