A is for Andrea. Now that's a robot.
B is for Beyond Antares. Where my heart is.
C is for Capella IV, one of Leonard McCoy's earlier Starfleet assignments before being posted to the original Enterprise in 2266.
D is for Denebian slime devil.
E is for the Eymorg women of the Sigma Draconis star system. Don't let the ample bosoms and go-go boots fool you. They can whoop your butt.
F is for Friendship One.
G is for Gorn territorial claims. Cestus III fell under one of the Hegemony's claims.
H is for Holodeck malfunctions.
I is for Ilia's past romantic relationship with Will Decker.
J is for Jem'Hadar Jokes.
K is for Kor. A Klingon who hates people that smile.
L is for Locutus of Borg. Liked to quote the Cybermen.
M is for Maltz, the only surviving Klingon of Commander Kruge's crew that destroyed the Grissom and attacked the Enterprise in orbit above the Genesis Planet.
N is for Noel. Dr. Helen Noel. Let's play doctor.
O is for Orion animal women.
P is for Phasers and Photon Torpedoes. Let's blow something up.
Q is for Quantum realities other than our own.
R is for Red Matter.
S is for Sybok's infectious laugh.
T is for T'Pol's derriere.
U is for the U.S.S. prefix on Federation starships
V is for "Victory is Life!"
W is for the War between the Tzenkethi and the Federation, the exact dates of which were never established but we know that a younger Benjamin Sisko served in it so it can't have been too many years before the first season of DS9.
X is for Xenophobic, the biggest obstacle for the Federation to EVER have to try to overcome.