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: ['437', '377']

A: 3, 4, 7
****
Q: ['o', '105', '409', '287', '9', '377', 'h', 'v', 'i', 'j', 'm', '59', 's', '357']

A: 0, 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['287', '19', '295', '89', '293', 's', '267', 'l', 't']

A:
1, 2, 3, 5, 6, 7, 8, 9
****