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: ['353', 'k', 'j', '1', '375', 'e', 'd']

A: 1, 3, 5, 7
****
Q: ['n', 'm', 'u', '267']

A: 2, 6, 7
****
Q: ['s', 't', '189', 'j', 'r']

A:
1, 8, 9
****