Pairs

Commas, like nuns, often travel in pairs.

~ Mary Norris

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Some letters are scarier in pairs. E is one of those letters. Want proof?  Here you go:

EErie

crEEpy

bEEs

eyetEEth

grEEd

skrEEgh

yes, really on that last one. look it up if you don't believe me.

Also, what if someone decided he wanted to collect all the purebred dogs in the world and keep them only for himself. You know what that would be? Do you?  Huh?

It would be "pediGREED."