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: ['k', '233', 'h', 'd', 's', '83', '149', 'p', 'm']

A: 1, 2, 3, 4, 8, 9
****
Q: ['175', 'c', 'c']

A: 1, 5, 7
****
Q: ['287', 'y', 'b', '79', '39', 'l']

A:
2, 3, 7, 8, 9
****