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: ['t', 'p', 'j', 'x', 'k', '295', '221', '261', '221', 'b', '431', '427']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['j', '379', 'x', '51', 'k', 'r', 'i', '233', '363', '69', 'v', 'q', '151']

A: 1, 2, 3, 5, 6, 7, 9
****
Q: ['m', '65', 'g', '31', 'w', '483', 'n']

A:
1, 3, 4, 5, 6, 8
****