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: ['o', 'e', '187', '153', 'a', '253', 'f']

A: 1, 2, 3, 5, 7, 8
****
Q: ['235', '17', 'g', '125', '455', 'h', 'u', 'u', 'y', '219', '129', 'q', 'u', 'r']

A: 1, 2, 3, 4, 5, 7, 9
****
Q: ['g', 'y', 'v', '11', '15', '5', 'q', 'y', 'l', '405', 'n', 'd', 'b', 'o', '77']

A:
0, 1, 4, 5, 7
****