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.

['g', '411', '307', 'i', '483', 'z', '29', 't', 'f', 'z']
0, 1, 2, 3, 4, 7, 8, 9

['d', '71', '65', '177', 'k']
1, 5, 6, 7

['491', '217', 'l', 'm', 't', '415', 'v', 'v', '375', '393', 'f', 'f', '117', '435', 'o']

1, 2, 3, 4, 5, 7, 9

