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: ['381', '277', 'g', '307', 'p', '105', '341', 'o', '313', '5', '375', '145', 'k']

A: 0, 1, 2, 3, 4, 5, 7, 8
****
Q: ['235', '17', 'k', 'h', 'o', 'g', '97', 'h', '165']

A: 1, 2, 3, 5, 6, 7, 9
****
Q: ['x', '479', '65', '459', 'l']

A:
4, 5, 6, 7, 9
****