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: ['b', '329', 'm', 'q', 'k', 'z', 'k', '199', 'v', 'l']

A: 1, 2, 3, 9
****
Q: ['w', 'b', 'w', 'm', 'j', 'd', 'q', '47', '221', 'b', '201', 'f']

A: 0, 1, 2, 4, 7
****
Q: ['149', '39']

A:
1, 3, 4, 9
****