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: ['385', 'b', 'c']

A: 3, 5, 8
****
Q: ['q', 'u']

A: -1
****
Q: ['c', 'j', 'o']

A:
-1
****