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: ['r', '135', 't', 'm', 'f', '329', '475', '243', 'z', 'q', '31', '141']

A: 1, 2, 3, 4, 5, 7, 9
****
Q: ['93', 'z', '495', 'l', '65', '233', 'h', 'm', 'f', '249', 'w', '35', '337', 'j', 'm']

A: 2, 3, 4, 5, 6, 7, 9
****
Q: ['111', '461', 'd', '199', 't', 'a']

A:
1, 4, 6, 9
****