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:
['t', 'y', '331']

Ex Output:
1, 3


Ex Input:
['205', '107', 'z']

Ex Output:
0, 1, 2, 5, 7


Ex Input:
['a', '13']

Ex Output:

1, 3