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: ['x', '91', 'q', '417', '385', '455', '393', 'm', 's', 'c', '91', '71', 'n']

A: 1, 3, 4, 5, 7, 8, 9
****
Q: ['m', 'c', '139', '433', '29', 'z', '45', 't', 'a', 'n', '297', '45', '281']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['485', '443', '215', '341', 'f']

A:
1, 2, 3, 4, 5, 8
****