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: ['95', '205', 'c', '101']

A: 0, 1, 2, 5, 9
****
Q: ['m', 'c', '139', '433', '29', 'z', '45', 't', 'a', 'n', '297', '45', '281']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['e', '381', 'd', '145', 'q', 'z', 'v', 'f', 'b', '45']

A:
1, 3, 4, 5, 8
****