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: ['189', 'z']

A: 1, 8, 9
****
Q: ['477', '293', '301', '269', '149', 'm']

A: 0, 1, 2, 3, 4, 6, 7, 9
****
Q: ['s', 'l', '309', '453', '311', 'g', '255', '53', '147']

A:
0, 1, 2, 3, 4, 5, 7, 9
****