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: ['j', '379', 'x', '51', 'k', 'r', 'i', '233', '363', '69', 'v', 'q', '151']

A: 1, 2, 3, 5, 6, 7, 9
****
Q: ['n', '319', 's', '325', '177', '161', '43', 'g', 'o', '59', 'w', 'y', 'g', 'm']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['c', 'u', 'n', 'h', 'l', '157', '5', 'u', 'y', '455']

A:
1, 4, 5, 7
****