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: ['479', 's', 'g']

A: 4, 7, 9
****
Q: ['g', '109', 'm', '169', '443', 'm', '57', '285', 'x', '171', '367']

A: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
****
Q: ['g', 'b', 'q', '51', 'e', 'b', 'm', '239', '329', 'v', 'i', '469']

A:
1, 2, 3, 4, 5, 6, 9
****