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:
['y', 'o', '287', 'm', 's', '61']

Ex Output:
1, 2, 6, 7, 8


Ex Input:
['109', 't', '283', 'c', 'u', 'y', '251', 'x', '377', 'n', 's', 'd', 't', 'q', 'o']

Ex Output:
0, 1, 2, 3, 5, 7, 8, 9


Ex Input:
['279', 't', 'e', 'j', '437', '167', 's', 'n']

Ex Output:

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