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: ['y', '449', 'g', '345', '167', 'q', 'k']

A: 1, 3, 4, 5, 6, 7, 9
****
Q: ['93', 'w', '357', 'z', '293', '83', 't', 'w', '11']

A: 1, 2, 3, 5, 7, 8, 9
****
Q: ['s', '187', 'a', 'i', 'r', '363', '449', '277', 'x', 'n', 'c', 'v', 'u', 'i', '455']

A:
1, 2, 3, 4, 5, 6, 7, 8, 9
****
