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:
['461', 'u', 't']

Ex Output:
1, 4, 6


Ex Input:
['437', 'e', 'b', 'f', '203', 't', '5', '461', 'e', '367', '391', '81']

Ex Output:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9


Ex Input:
['221', '429', '295', '259', '35', 'x', 'x', '159', 'j', '453']

Ex Output:

1, 2, 3, 4, 5, 9