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: ['u', '73', 'x', 'f', 'e', '187', 'x', 'i', '215', '1', 'z', '129', '89', 'f', 'i']

A: 1, 2, 3, 5, 7, 8, 9
****
Q: ['429', 'a', 'g', '7', 'j', 'd', 'y', '113']

A: 1, 2, 3, 4, 7, 9
****
Q: ['n', 'i', 'y', '91', 'q', '297', '311', '225', 'n', '369']

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