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: ['381', '277', 'g', '307', 'p', '105', '341', 'o', '313', '5', '375', '145', 'k']

A: 0, 1, 2, 3, 4, 5, 7, 8
****
Q: ['23', 'p', '409', '305', 'z', 'q', '295', '391']

A: 0, 1, 2, 3, 4, 5, 9
****
Q: ['121', '267', 'l', '491']

A:
1, 2, 4, 6, 7, 9
****