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.

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

A: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
****
Q: ['a', '399', 's', 'e', '495', 'd', 'f', 'a', '323']

A: 2, 3, 4, 5, 9
****
Q: ['365', 'a', '239', 'v', '179', '147', 'v', 'b', '193', '207']

A:
0, 1, 2, 3, 4, 5, 6, 7, 9
****