The Abbreviated and Extremely Helpful Problematic Story Codes FAQ
mf	Characters make noncommital noises
mmmf	Characters attempt to speak while gagged
anal	Contains psychoanalysis
best	A Golden Clitorides winner
cbt	Contains single combat
cons	Sex between inmates
copr	Story is copyrighted
dom	Page markup uses the W3C Document Object Model
enem	Sex between enemies
Fdom	Features the science fiction or comic book fandom communities
hum	Humiliation
hum	Humor
hum	Hummus
hum	Hum-Vs
inc	Office sex
interr	Character is buried alive
ir	Night-vision goggles
lac	Synonym for nosex
mc	Author has lyrical skillz
nc	No children
nopen	Typewritten story
nec	Milder version of pett
ped	Foot fetish
rape	Characters use rapeseed oil as lube
rim	Contains slam-dunking
rom	Features simulated arcade games
sad	Unhappy ending
scat	Characters sing with nonsense syllables
slash	Knifeplay
sm	Characters are modestly endowed
snuff	Characters inhale tobacco
span	Spanish-language story
tort	Features liability law
veg	Contains catatonic characters
viol	Contains classical musicians
voy	Extended travel

Modified slightly from Uther Pendragon's Story Codes for Readers list.