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: ['z', '273', '447', 'h']

A: 2, 3, 4, 7
****
Q: ['451', 'd', '429', '23', '143', '223', 'm', '51']

A: 1, 2, 3, 4, 5, 9
****
Q: ['117', '47', '305', 'f', '43', 'k', 's', '437', 'q', '303', 'f', '39']

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