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: ['451', '465', '461', '361', 'i', '379', '271', '103', '15', '419', '329', 'g', 'j', '171']

A: 0, 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['69', '307', 'l', 'j', '167', 'o', '427', 'j']

A: 0, 1, 2, 3, 4, 6, 7, 9
****
Q: ['u', '219', 'l', 't', 'q']

A:
1, 2, 9
****