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: ['h', '475', 'x', '53', '461', 'c']

A: 1, 3, 4, 5, 6, 7
****
Q: ['233', '339', '319']

A:
1, 2, 3, 9
****