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]: ['c', 'm', 'h', 'c', '69', '233', 'j', 'g', 'r', 'x', '59', 'p', '469']
[EX A]: 2, 3, 4, 5, 6, 9

[EX Q]: ['a', 'n', '423', 'y', 'y', 'u', '55', 'y', '295', '73', 't', 'p']
[EX A]: 2, 3, 4, 5, 7, 9

[EX Q]: ['269', '139', 'e', '439', '51', '283', '437', 'k', 'y', '363']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 8, 9