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: ['353', '195', '297', '175', 'u', 'p', 'r', 'l']

A: 1, 2, 3, 5, 7, 9
****
Q: ['c', '435', 'c', 'q', 'u', '191', 'b', 'l', '217']

A: 1, 2, 3, 4, 5, 7, 9
****
Q: ['l', 'r', '289', '283']

A:
2, 3, 8, 9
****