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: ['73', '215', '389', '381', 'e', 'v', 'j', 'l', 'r']

A: 1, 2, 3, 5, 7, 8, 9
****
Q: ['j', '195', 'u', '55']

A: 1, 5, 9
****
Q: ['e', '197', '95']

A:
1, 5, 7, 9
****