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: ['l', 'm', 'h', '87', '265', 'e', '415', '325', 'p', 'b', '385']

A: 1, 2, 3, 4, 5, 6, 7, 8
****
Q: ['x', '325', 'i', 'n', 'i', 'w', 't']

A: 2, 3, 5
****
Q: ['303', 'h', 'i', 'l', '11', 'j', '277', 'i', '439', '257', '423', 'v', '473']

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