a: size = 4, alignment = 16, address mod 16 = 0
b: size = 12, alignment = 16, address mod 16 = 0
bb: size = 12, alignment = 16, address mod 16 = 0
c: size = 32, alignment = 16, address mod 16 = 0
d: size = 32, alignment = 32, address mod 32 = 0
e: size = 16, alignment = 16, address mod 16 = 0
f: size = 32, alignment = 32, address mod 32 = 0
g: size = 96, alignment = 16, address mod 16 = 0
h: size = 192, alignment = 64, address mod 64 = 0