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: ['61', '255', 'u', '219', '197', 'i', '453', 'i', '267', '217', 'o', 'g']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['217', '481', '87', 'w', 'q', 'c', 'j', '275', 'e', '49', '87', '25']

A: 1, 2, 4, 5, 7, 8, 9
****
Q: ['171', 't', '193', '55']

A:
1, 3, 5, 7, 9
****