A is for Antares Maelstrom.
B is for Black Hole, not the singularity, but the Ferengi drink served on DS9!
C is for Ceti Eels. The only remaining indigenous life form on Ceti Apha V after Ceti Alpha VI exploded.
D is for Drone Ship, Romulan, which was an advanced remote-controlled warship that possessed transphasic disruptors and a multispectral emitter to disguise itself
E is for El-Aurian survivors of the Borg attack on their homeworld, of which Guinan and Dr. Tolian Soran were two.
F is for Ferengi Rules of Acquisition.
G is for Gary Mitchell's friendship with James Kirk, which began when the two were cadets at Starfleet Academy in 2250.
H is for Harcourt Fenton Mudd.
I is for Isokinetic Cannon purchased by Janeway
J is for J-class training shuttles used by Starfleet Academy during the mid-to-late 23rd century.
K is for Kahless. The one all Klingons worship.
L is for Lwaxana Troi.
M is for Mercury, USS- Carter Brisbayne's first command ship
N is for Neelix' odd relationship with Kes.
O is for Optronic data relays.
P is for Pon Farr, that special time for Vulcans.