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: ['p', 'n', 'c', '113', '105', '423', 'k', 'a', '211', 'k', '91', '389']

A: 0, 1, 2, 3, 4, 5, 8, 9
****
Q: ['z', 'v', 't', 'm', '51', 'e', 'l', 'l', '83', '301', '21', '347', 'm', '41', 'b']

A: 0, 1, 2, 3, 4, 5, 7, 8
****
Q: ['293', 'm', 'e']

A:
2, 3, 9
****