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:
['h', '281', 'x', '471']

Ex Output:
1, 2, 4, 7, 8


Ex Input:
['41', 'o', 'm', 'h', 's', 't', '407', '445', '371', '93', '291', '457', 'r', '391', 'a']

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


Ex Input:
['113', '51']

Ex Output:

1, 3, 5