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]: ['87', '353', '329', '163', 'i', 'd', '287']
[EX A]: 1, 2, 3, 5, 6, 7, 8, 9

[EX Q]: ['o', 'k', 'i']
[EX A]: -1

[EX Q]: ['p', 't', 'd', 'v', '415', '51', '383', 'g', 'y', '455', 'o', '495', 'b']
[EX A]:
1, 3, 4, 5, 8, 9