A is for Avery Brooks.
B is for Battle of DS9, The
C is for Chief O'Brien
D is for Defiant, USS
E is for Elim Garak
F is for Ferengi Love Songs
G is for the lovely and fierce Grilka of the House of Grilka.
H is for Habitat Ring
I is for Infirmary
J is for Jules
K is for Kor, the legendary Klingon Dahar Master
L is for Leeta
M is for Miles
N is for Nerys, Kira
O is for Odo
P is for Promenade
Q is for Quantum Torpedoes
R is for Romulan Senator Vreenak "IT'S A FAAAAAAAAAAAKKKKEEEEEEEEEEEEEEE!"
S is for Sisko's Sinister Scheme and Sloan of Section 31
T is for Tantalus Field Device
U is for Ulani Belor; Cardassian scientist.
V is for the Vandros system, located inside Dominion space
W is for Weyoun
X is for Star Trek: Nemesis, the 10th Trek film
Y is for Yellow bellied Ferengi
Z is for Zabu, an animal native to the Cardassia Prime