A is for Andorian aggression, antennae and abrasiveness.
B is for Bajoran Buggerers.
C is for Corbomite. A Double Ultra Top-Secret material that will kill you if you shoot at it.
D is for Dimorus.
E is for Exeter.
F is for the Farragut. One of James Kirk's earlier postings; commanded by Captain Garrovick. NuUhura likes to call it the "Fairy-Gutt".
G is for Gomtuu.
H is for Harry Mudd's jaunty hat he wore during his first-ever encounter with the Enterprise 1701 crew in 2266.
I is for Iconian myths. Like all myths in Star Trek, they're 100% true.
J is for Jokes. Vulcans had a very hard time understanding them.
K is for Krenim Imperium. A major power in the Delta Quadrant. No wait! A minor power. No wait! A major power. No wait! What was I talking about?
L is for Lwaxana Troi's seemingly insatiable romantic desires for Captain Jean-Luc Picard, which took years to subside.
M is for Major Kira Nerys.
N is for Nanclus, the Ambassador of the Romulan Star Empire to the Federation at the time of the Gorkon and Khitomer crises in 2293 and a co-conspirator in them.
O is for Ornery Ornarans.
P is for Particle Stream. Whatever you do....Don't cross the streams.
Q is for Q'apla, often shouted by Klingon warriors before going into a battle.
R is for Republic. A Federation starship; NCC-1371. Location of Ben Finney's 'one little mistake'.
S is for Star mapping assignment, upon which the Enterprise 1701 was engaged in 2266 when it made first contact with the First Federation and Balok.
T is for T'Pol's lovely mammalian protruberances.
U is for the United Earth Space Probe Agency's early, unmanned deep space missions like Friendship One, launched in 2067.