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:
['475', 'd', '467', 'h', 'r', 'r', '139', '307', '141', 'f']

Ex Output:
0, 1, 3, 4, 5, 6, 7, 9


Ex Input:
['255', 'u', 's', 'g', '445']

Ex Output:
2, 4, 5


Ex Input:
['c', 'x', 'q', '347', 's', '395', 'a', '275', 'm', '281', '187', 'q', 'k', 'a', 'y']

Ex Output:

1, 2, 3, 4, 5, 7, 8, 9