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:
['j', 'k']

Ex Output:
-1


Ex Input:
['k', 'q', 'a', 'u', 'q']

Ex Output:
-1


Ex Input:
['219', '251', '359', 'n', '281', 'f', 'g', '255', '191', 'u', '115']

Ex Output:

1, 2, 3, 5, 8, 9