A is for Aliens. The first ones to visit Earth came many thousands of years before official First Contact was ever made.
B is for Boobs. Counsellor Troi had a smashing pair.
C is for Canada. Someone once mistook Will Riker as coming from there.
D is for Derriere. Deanna Troi's was quite lovely.
E is for Earth. The central homeworld of the Federation and a smashing place to get some Cajun food.
F is Fesarius, Flagship of the First Federation.
G is for Great Bird of the Galaxy. Nobody ever explained what it was supposed to be nor its origins.
H is for the High Advisor of Stratos; Plasus. Sort of looked like Yosemite Sam, but without the hat and mask. And H is for that he had his head up his....
I is for Iconian gateways.