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: ['m', '107']

A: 0, 1, 7
****
Q: ['j', 'd', '445', 'g', '263', '217', '357', 'c', '57', 'x']

A: 1, 2, 3, 4, 5, 6, 7
****
Q: ['419', 'o', '133', '255', '241', 't', 'm', 'w', 'b', 'a', '347', '405', 'd', 'f', '39']

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