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: ['235', '17', 'g', '125', '455', 'h', 'u', 'u', 'y', '219', '129', 'q', 'u', 'r']

A: 1, 2, 3, 4, 5, 7, 9
****
Q: ['c', '31', '49', 'x', 'n', 'i', 'a', '135', '65', '401', 'b', '213', 'f', '321']

A: 0, 1, 2, 3, 4, 5, 6, 9
****
Q: ['e', 'v', '65', '117', '465', '459', 'z', 'y', '329', '487', '215', '141', 'y', '285', '85']

A:
1, 2, 3, 4, 5, 6, 7, 8, 9
****