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: ['o', 'e', '187', '153', 'a', '253', 'f']

A: 1, 2, 3, 5, 7, 8
****
Q: ['s', '291', '257', 'w', '497', '309']

A: 0, 1, 2, 3, 4, 5, 7, 9
****
Q: ['n', '45', '425', 'h', 'c']

A:
2, 4, 5
****