Multiples of 8 after 55 : 56, 64, 72, 80, 88, 96
Multiples of 6 will be part of Multiples of 3, so we will only need to list the multiples of 3.
Multiples of 3 after 55: 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99
Answer: 56, 57, 60, 63, 64, 66, 69, 72, 75, 78, 80, 81, 84, 87, 88, 90, 93, 96, 99