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: ['411', '367']

A: 1, 3, 4, 6, 7
****
Q: ['g', '185', '73', 'h', '455', '333', 'l', '403', 'k', 'e', '77', '429', '423', '453']

A: 0, 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['p', '97', '91', '55', 'z']

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