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: ['z', '273', '447', 'h']

A: 2, 3, 4, 7
****
Q: ['k', 'q', 'a', 'u', 'q']

A: -1
****
Q: ['q', 'l', 'l', 'e', 'o', 'f', '139', '313', 'p', '153', '407']

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