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: ['243', 't', '249', 'q', '459', '469', '301', 'j', '215', '21']

A: 0, 1, 2, 3, 4, 5, 6, 9
****
Q: ['431', '245', '23', 'c', '185', 'k', '155', '163', 'e', '35', 'r', '175', '163']

A: 1, 2, 3, 4, 5, 6, 7, 8
****
Q: ['295', '337', '113', 'p', '457', 'v', 'j', 's', 'v']

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