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: ['149', 'o', '237', 't', 'k', 'w']

A: 1, 2, 3, 4, 7, 9
****
Q: ['k', '233', 'h', 'd', 's', '83', '149', 'p', 'm']

A: 1, 2, 3, 4, 8, 9
****
Q: ['j', '411', 'e', 'v', 'w', 'z', 'm', '95', '245', '69', '165', 't', 's']

A:
1, 2, 4, 5, 6, 9
****