bra sizes

Have you ever wondered why A,B,C,D,DD,E,F,G, and H are the letters used to define bra sizes?
If you have wondered why but couldn't figure out what the letters stood for, it is about time you became informed!
{A} Almost Boobs.?
{B} Barely there.
{C} Can't Complain.
{D} Dang!
{DD} Double dang!
{E} Enormous!
{F} Fake.
{G} Get a Reduction.
{H} Help me, I've fallen and I can't get up!