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: ['u', 'r']

A: -1
****
Q: ['143', 'i', '499', 't', '27']

A: 1, 2, 3, 4, 7, 9
****
Q: ['s', 'i', 'l', '403', '75']

A:
0, 3, 4, 5, 7
****