A is for Andoria.
B is for Betazed.
C is for Coridan.
D is for Denebian slime devil, not a big enough insult to be worth fighting about.
E is for Enterprise.
F is for Fred Freiberger.
G is for Gomtuu.
H is for Horta.
I is for Iconians.
J is for the USS Jenolan.
K is for Koloth.
L is for Lursa.
M is for Martok.
N is for Nog.
O is for Oregon, where Judith Sisko lives.
P is for Positronic brains.
Q is for the best character in Star Trek, named "Q" because it's the only Trek species which starts with "Q". So far.