A is for the Archon, which visited planet Beta III in the year 2167 and was pulled from orbit and destroyed by the ruling planetary computer system called Landru.
B is for B-Type warbird.
C is for Camus II life energy transference technology uncovered during an archaeological expedition in 2269.
D is for the Dilithium mining colony on Rigel XII. Surely Ben and his pals are using robotic technology to mine for those crystals.
E is for Elaysians and Elasians. Different humanoid species with different appearances, but very similar and confusing spellings.
F is for Fat Starship Captains.
G is for Garak's espionage career with the Obsidian Order.
H is for Holodeck malfunctions.
I is for Ilia of planet Delta IV.
J is for Jupiter Station.
K is for Klingon D5 battle cruisers. They were considered obsolete and had been decommissioned by the late 23rd century.
L is for Lal. Data's child.
M is for the Mars Defense Perimeter of Sector 001. It utterly failed to stop the invading Borg cube at the beginning of 2367.
N is for Nucleogenic Cloud Creatures. Captain Janeway gave one a hernia.
O is for the Obsidian Order of the Cardassian government.
P is for Paradise City. Where the grass is green and the girls are pretty.
Q is for Quantum theory concerning time travel.
R is for Romaine. Lt. Mira Romaine. Another fine example from the Department of Busty and Curvy LTs and Yeoman.
S is for Sargon's Sphere.
T is for Tyree's village on planet Neural.
U is for United Earth Space Probe Agency.
V is for V'Ger's size. Either as an energy cloud or the actual alien ship itself it was huge.