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: ['171', 'h', '53', 'o', 'q']

A: 1, 3, 5, 7
****
Q: ['h', 'o', 's', '335', '317', '279', '217', '485']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['1', 't', 'd', 'a', 'l', '481', '273', '313', '151', '303', 'v', '277', '201', 'u']

A:
0, 1, 2, 3, 4, 5, 7, 8
****