Let us not forget it's government matter... so, secret or not, there's always 17,575 other possibilities (26 x 26 x 26 - 1)...
You're right. Better opt out at 17,575 / 1.
My name is pronounced like "see real". I code stuff for a living and for pleasure. I care quite a bit about language.
I think America should consider doing the same, and... ASAP!