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: ['3', '181', 'o', '425', 'f', '391']

A: 1, 2, 3, 4, 5, 8, 9
****
Q: ['175', 'c', 'c']

A: 1, 5, 7
****
Q: ['341', 's', 'j', 'p', '251']

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