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: ['227', '161', '389', 'g', 'g', 'i', 'm', '199', '487', '65', '341', '377', 'x', 'r']

A: 1, 2, 3, 4, 5, 6, 7, 8, 9
****
Q: ['r', '495', '383', 'd', '369', '323', 'e', 'c', '149', 'q', '487', 'q', 'c']

A: 1, 2, 3, 4, 5, 6, 7, 8, 9
****
Q: ['207', '3', '383', 'j', '457', '33', 'x', '187', 'e', '205', '289', 'q']

A:
0, 1, 2, 3, 4, 5, 7, 8, 9
****
