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', 't']

A: -1
****
Q: ['273', 'b', '461', '419', '349', '301', '365', 'k', '319', 'o']

A: 0, 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['b', '137', 'v', '353', '427', '15', 'u', '193', '317']

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