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.

[EX Q]: ['h', 'i', 'e', '319', 'g', '187', '395', 'f', '327', 'y']
[EX A]: 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['479', '205', 'e', 'c', '57', 'm', 'i', '33', 'f', '45', 'z']
[EX A]: 0, 2, 3, 4, 5, 7, 9

[EX Q]: ['277', '381', 'm', '239', 'v', 'l', '241']
[EX A]:
1, 2, 3, 4, 7, 8, 9