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: ['j', '131', 'e', 'c', '149', '325', 'h', 'l', 'i', 'q', '151']

A: 1, 2, 3, 4, 5, 9
****
Q: ['279', 't', 'e', 'j', '437', '167', 's', 'n']

A: 1, 2, 3, 4, 6, 7, 9
****
Q: ['53', 'q', '389', 'q', '439', 'c', '441', '375']

A:
1, 3, 4, 5, 7, 8, 9
****