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', 'q', '139', '79', '149', '469', 'g', '239', '221', 'v', '77']
[EX A]: 1, 2, 3, 4, 6, 7, 9

[EX Q]: ['479', '381', '61', '307', 'w', 'd', '493', 'q', 'h', '373', '217', 't', '57', 'j']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['s', 'h', '489', 't', 'g', '467', '225', '25', '65', '37', '453', 'f', 'j', 'l', 'n']
[EX A]:
2, 3, 4, 5, 6, 7, 8, 9