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: ['z', '273', '447', 'h']

A: 2, 3, 4, 7
****
Q: ['325', '203', 'x', 'r', '189', 't', 'q', '277', '315', 'w', '377', 'g', 'l', '87', 'f']

A: 0, 1, 2, 3, 5, 7, 8, 9
****
Q: ['g', 't', 'c', '237', '255', '469', 'j', '461', '289', '145', 'a', '451', '13']

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