A is for Aye, which is likely the most often-said word in all of Star Trek.
B is for Bajorans.
C is for cats, and the poems androids write about them.
D is for Deltans.
E is for Excalibur: patrolling the remains of the Thalonian empire.
F is for Ferengi.
G is for Gary 7.
H is for Hirogen
I is for Ilia: her oath of celibacy is on record.
J is for Jaylah
K is for Kol, a really weird-looking Klingon from Star Trek: Discovery
L is for Lal
M is for Medusans: don't look!
N is for Narenda III
O is for best boy Odo
P is for Praxis
Q is for Q: not that Q, the other one...no no, that other one.
R is for James Kirk's middle initial... no, wait...
S is for Saavik. The first one.
T is for Tellarites
U is for Universe-class Enterprise NCC-1701-J
V is for Vash
W is for Wil...WHEATON!!!
X is for Xindi
Y is for yellow, the color you can't call Marty McFly, who once said he was from Vulcan