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: ['425', 'x', 'u', 'f', 'v', '481', 'm', 'y', '159', '1']

A: 1, 2, 4, 5, 8, 9
****
Q: ['353', 'k', 'j', '1', '375', 'e', 'd']

A: 1, 3, 5, 7
****
Q: ['53', 'm', 'k', '279', 'b', 'n', 'y', '23']

A:
2, 3, 5, 7, 9
****