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', 'b']

Ex Output:
-1


Ex Input:
['y', '439', 't', '29', '425', '289']

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


Ex Input:
['101', 'a', 'j', '423']

Ex Output:

0, 1, 2, 3, 4