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: ['h', 'o', 's', '335', '317', '279', '217', '485']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['s', 't', '189', 'j', 'r']

A: 1, 8, 9
****
Q: ['u', 'i', '273', 'j', '171', 'i', 's', '27', 'e', 'd', 'r', '149', 'a']

A:
1, 2, 3, 4, 7, 9
****