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: ['m', 'e', 'g']

A: -1
****
Q: ['379', '485', '415', '37', '221', '125', '245', '87', 'a']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['q', 'u', 'q', 'j']

A:
-1
****