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:
['e', 'o', 'c', 'j', 'g', '249', 's', 'b', 'f', '359', '107', 'i']

Ex Output:
0, 1, 2, 3, 4, 5, 7, 9


Ex Input:
['k', '233', 'h', 'd', 's', '83', '149', 'p', 'm']

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


Ex Input:
['39', '107', '139']

Ex Output:

0, 1, 3, 7, 9