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: ['r', '233']

A: 2, 3
****
Q: ['289', 'f', 'y', 'n', '271', '223', 'v', 'p', 'v', 'w', '7', 'i', '195']

A: 1, 2, 3, 5, 7, 8, 9
****
Q: ['g', '293']

A:
2, 3, 9
****