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]: ['v', '467', 'm', '23', '479', '49', 'k', 'u', 'l', '119']
[EX A]: 1, 2, 3, 4, 6, 7, 9

[EX Q]: ['411', 'i', '107', '75', 'b', 'l', 't', '351', '413', 'l', '363']
[EX A]: 0, 1, 3, 4, 5, 6, 7

[EX Q]: ['o', '165', 'o', '291', 'n', 'z', 'o', '59']
[EX A]:
1, 2, 5, 6, 9