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: ['s', 'y', '133', 'c', '415', 'p']

A: 1, 3, 4, 5
****
Q: ['45', 'n', 'u', '199', 'y', 'w']

A: 1, 4, 5, 9
****
Q: ['143', '473', '223', '411', 'o', 'c', '371', 'n']

A:
1, 2, 3, 4, 7
****