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: ['k', '409', '333', '283', 'm', '489', '377', '439', '443', 'r', '101', 'n', '35']

A: 0, 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['437', '377']

A: 3, 4, 7
****
Q: ['p', 'e', 'f', 'c', 'j', '293']

A:
2, 3, 9
****