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: ['j', 's', '127', 'o', 'e', '227', 'k', 'o']

A: 1, 2, 7
****
Q: ['f', '73', 'k', '333', '345', 'e', 'x', 'j']

A: 3, 4, 5, 7
****
Q: ['u', 'o', 'w', '301', '495', '279']

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