Cybermemo is not a word yet... If it comes into common enough use, it will eventually find it's way into the dictionary. Until then, there's nothing wrong with using it for informal settings, it's meaning is fairly obvious. I'm guessing that a cybermemo is a memo sent electronically, not on paper.
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"Real" is the root word of "really".
Yes. The word "is" is a real word. of course it is.
Yes it is a real word.
Yes, "answer" is a real word.
No, that is not a real word.
no it is not a real word
Yes, it is a real word
It is no where near a real word
yes it is a real word
No ter is not a real word
Shurbby is not a real word.