$100 if you can figure it out...

I kid you not.. you help me figure this out and i will send you $100 dollars... its part of a contest that has been going on for over 3 months and no one can figure it out... help me and i will make it worth your while!

With 5 your half way there

Might be considered unusual

Can be found in Oklahoma

Plentiful in 2002

Some are used more than others

It is common to be different

An odd beginning

One word will leave you just short of the answer

5 on either side

variety of shapes and sizes

almost a pair

cover a lot of ground

can be handed down

you will find two E’s side by side

the answer has 10 letters