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: ['v', 'n', '303', '355', 'n', '205', '393', '239', '239', 'm', '123', '487']

A: 0, 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['u', 'r']

A: -1
****
Q: ['171', 'b', 'l', '67', '163', 'l', '465', 'u']

A:
1, 3, 4, 5, 6, 7
****