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', '205', 'e', 'c', '57', 'm', 'i', '33', 'f', '45', 'z']

A: 0, 2, 3, 4, 5, 7, 9
****
Q: ['h', '281', 'x', '471']

A: 1, 2, 4, 7, 8
****
Q: ['t', '107', 'd', '375', '427', '299', 'o', '295', '215', '137', '457', 's', '77', 's']

A:
0, 1, 2, 3, 4, 5, 7, 9
****