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', 'w', '125', 'r', 'a', '309', '259', 'c', 'a', 'c', 'w', '273', '279']

A: 0, 1, 2, 3, 5, 7, 9
****
Q: ['163', '291', 'm', 'z', '99', 'd', '365', 'm', '89', 's', 'e', 'q', 's', '161']

A: 1, 2, 3, 5, 6, 8, 9
****
Q: ['357', 'c', 'f', '3', 'q', 'w', 'm', 'l', '137', 'k']

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