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: ['221', '191', 'w', 'l', 'h', 'a']

A: 1, 2, 9
****
Q: ['z', 'g', '311', 'd', 's', 'w']

A: 1, 3
****
Q: ['k', 'v', 'l', '365', '217', '23', 'a', 's', '167', 'k', 'o']

A:
1, 2, 3, 5, 6, 7
****