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: ['n', 'f', '355', 'e', '113', '131', '443', '275', '249', '487']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['387', '7', '93', '105', '181']

A: 0, 1, 3, 5, 7, 8, 9
****
Q: ['j', 'p', 'r', '349', 'n', 'a', 'm', '71', '15', 'g', '77', '479', 't']

A:
1, 3, 4, 5, 7, 9
****