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: ['437', 'e', 'b', 'f', '203', 't', '5', '461', 'e', '367', '391', '81']

A: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
****
Q: ['p', 't', '211', 'r', '439', 'h', 'g', 'c', '299', '371']

A: 1, 2, 3, 4, 7, 9
****
Q: ['i', '289', 'n', '231', '223', '423', 'd']

A:
1, 2, 3, 4, 8, 9
****