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:
['p', 'n', 'c', '113', '105', '423', 'k', 'a', '211', 'k', '91', '389']

Ex Output:
0, 1, 2, 3, 4, 5, 8, 9


Ex Input:
['x', '281', 'n', '385', '435', 'l', 's', '445', 'n', 'n', '133']

Ex Output:
1, 2, 3, 4, 5, 8


Ex Input:
['169', '297', 'u', '259', '139', 'm', 'x', '97', '23', 'x', 'c', '371']

Ex Output:

1, 2, 3, 5, 6, 7, 9