Hello! I'm not sure what you mean long as they're 16 letters, go ahead and try inputting them!
For example one of mine starts with eb62uyhq.... (I cut off half so no one can redeem it) If that's what you mean by alphanumeric, I think it should be fine :)
no subject
For example one of mine starts with eb62uyhq.... (I cut off half so no one can redeem it) If that's what you mean by alphanumeric, I think it should be fine :)