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: ['p', '231', 'd', 'i', '33', '431']

A: 1, 2, 3, 4
****
Q: ['469', '13', '333', '271', '223', '341', 'h', '317', '303']

A: 0, 1, 2, 3, 4, 6, 7, 9
****
Q: ['o', 'b', '393', '21', '81', 'd', '209', 't', '1', '317', '395', 'x']

A:
0, 1, 2, 3, 5, 7, 8, 9
****