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: ['73', '215', '389', '381', 'e', 'v', 'j', 'l', 'r']

A: 1, 2, 3, 5, 7, 8, 9
****
Q: ['s', 'd']

A: -1
****
Q: ['b', 'r', '45', 'y', 'b', '125', '211', 'y', '401', '207', '311', 'k']

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