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.

['p', 'r', 'e', 'b', '149', '361', 'i']
1, 3, 4, 6, 9

['129', '373', '461', 'h', 'r', '163', '361', '483', '463', 'e', 'z', 'l']
1, 2, 3, 4, 6, 7, 8, 9

['403', 'j', 'x', '187', '311', 'g', 'z', 'p', '287', 'w', 'k', 'm']

0, 1, 2, 3, 4, 7, 8