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', 'k']

A: -1
****
Q: ['r', 'u', '83', 'x', '155', '89', 'c', '391', '41', 'o', 'i', '161']

A: 1, 3, 4, 5, 6, 8, 9
****
Q: ['469', '127', '457', 'l', '443', '225', '357', '357', 'l', 'w']

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