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: ['375', '457', '423', 'q', 't']

A: 2, 3, 4, 5, 7
****
Q: ['363', 'w', '151', 'd']

A: 1, 3, 5, 6
****
Q: ['h', '401', '463', '171', '219', '205', '245', 'u', 'd', '441', 'h', '393', '459']

A:
0, 1, 2, 3, 4, 5, 6, 7, 9
****