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', 'e', '75', '379', 'c', 'f', 'g', '381', 'l', 'u', '197', '489']

A: 1, 3, 4, 5, 7, 8, 9
****
Q: ['t', '361', 'o', 'j', '395', 'u', '211', 'a', 'i', 'i', '375', 'h', '451']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['x', 'v', '177', 's', '151', '1', '489', '95', 'o', 'e']

A:
1, 4, 5, 7, 8, 9
****