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: ['159', 's', 'z', '85', 't', 'g']

A: 1, 5, 8, 9
****
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: ['191', 'm', 'g', '251', '63', '291', 'v', 'f', '347']

A:
1, 2, 3, 4, 5, 6, 7, 9
****