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: ['131', '483', 'k', '387', '451', 'j']

A: 1, 3, 4, 5, 7, 8
****
Q: ['e', 's', '271', 'k', 'e', 'y', '89']

A: 1, 2, 7, 8, 9
****
Q: ['b', 'u', '415', '277']

A:
1, 2, 4, 5, 7
****