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: ['v', 'i', 'g', 'h']

A: -1
****
Q: ['u', '207', 'q', '371', 's', '51', '217', 'q', '255', '9', '109', 'l', 'b', 'w']

A: 0, 1, 2, 3, 5, 7, 9
****
Q: ['309', '405', '233', 'j', '493', '145']

A:
0, 1, 2, 3, 4, 5, 9
****