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Q: Name ten common, non-slang three-letter words for body parts.

A: arm
ear
eye
gum
hip
jaw
leg
lip
rib
toe

Not common, slang or not strictly body parts:
ass
box
bud
bum
fat
fin
gam
gut
lap
lid
mug
ora
orb
ova
paw
pec
pin
pit
pow
pup
pus
tit
wax
yap

With two letters: os
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