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: ['n', 'q', 'z', 'r', '41', '345', '115', '487', '273', 'q', '219', 'i', '23']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['439', '443', '175', 'e', 'm', '361', 'd']

A: 1, 3, 4, 5, 6, 7, 9
****
Q: ['p', '191', 'f', '159', 'x', 'c', 'u', 'd', 'q', 'm']

A:
1, 5, 9
****