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: ['n', 'q', 'z', 'r', '41', '345', '115', '487', '273', 'q', '219', 'i', '23']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['r', '273', 'h', '421', 'k', 'r', 'k', 't', 'x', 's', 'j']

A: 1, 2, 3, 4, 7
****
Q: ['93', 'd', 'j', '139', 'z', 'q', 's', '93', 'u', '77', 'f', '67', 's', '233']

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