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: ['397', 'x', 'e', '179', '105', '381']

A: 0, 1, 3, 5, 7, 8, 9
****
Q: ['z', 'g', '311', 'd', 's', 'w']

A: 1, 3
****
Q: ['q', '111', 'l', 'v', '341', '171', 'k', '353', 'z']

A:
1, 3, 4, 5, 7
****