Typos

I slap myself upside the head --- where-on-earth did that cleeshay ever come from?

But from the most literate people --- typos pop up. Or might it be typpos?

But they are there --- or their --- or maybe therre.

This blog comes to courtesy of,

Neb Grebnettaw.

What form of mnemonic usage is that? Or is it thatt?

Safire --- Help ( ! )

Pronto -Tonto !

Ben