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:
['b', 'r', 'n', '89', '379', '283', '27', 's', '361', 'm', 'l']

Ex Output:
1, 2, 3, 6, 7, 8, 9


Ex Input:
['397', 'x', 'e', '179', '105', '381']

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


Ex Input:
['171', 'i']

Ex Output:

1, 7