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: ['109', 't', '283', 'c', 'u', 'y', '251', 'x', '377', 'n', 's', 'd', 't', 'q', 'o']

A: 0, 1, 2, 3, 5, 7, 8, 9
****
Q: ['233', '37', '221', 'n', 'j', 'y', '381', '175']

A: 1, 2, 3, 5, 7, 8
****
Q: ['209', 'c', '371']

A:
0, 1, 2, 3, 7, 9
****