CTX

CTY

City?

also CTX has lots of meanings

CTZ

I feel like I have seen CTZ somewhere before...but I have zero clue where...

CUA

"The chemoreceptor trigger zone (CTZ) is an area of the medulla oblongata that receives inputs from blood-borne drugs or hormones, and communicates with other structures in the vomiting center to initiate vomiting." (first google hit)

yum!

CUB
(Go Cubs! XD)

CUC

CUD
chewing it.

CUE

cue ball
stage cue

CUF

CUG

CUH

CUI

CUJ

CUJo, by Stephen King

CUK

CUL

CUM
XD
So long story short I got kicked off neopets as a preteen because I wanted to be to lazy to write come, and couldn't figure out until a few months later WHY it was considered a "bad word" XD