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: ['o', 'k', 'i']

A: -1
****
Q: ['109', 't', '283', 'c', 'u', 'y', '251', 'x', '377', 'n', 's', 'd', 't', 'q', 'o']

A: 0, 1, 2, 3, 5, 7, 8, 9
****
Q: ['z', '393', '75', '297', 'k', '69', '91', '235', '217']

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