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: ['233', '189', '217', 's', '221', 'v', 'c', 'x', '455']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['411', '155', 'i', 't', '463', '239', '161', '479', 'o']

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