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: ['r', 'f', 'l', 'a', 'c', '489', 'e', 'p', 'm', '175', 'l']

A: 1, 4, 5, 7, 8, 9
****
Q: ['85', '101', 'j', 'g', 'o', 'f', 'w', 'o', 'm', '45', 'e', 'z']

A: 0, 1, 4, 5, 8
****
Q: ['g', 't', 'c', '237', '255', '469', 'j', '461', '289', '145', 'a', '451', '13']

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