I scooped up a bunch of generic .co in hopes of using them someday.
bacon.co
blur.co
dimsum.co
bookworm.co
breakfast.co
comics.co
valhalla.co
foxy.co
honeybee.co
kingsize.co
manatee.co
mens.co
womens.co
wet.co
spy.co
pinstripe.co
refuel.co
queer.co
stamina.co
spinach.co
superfly.co
superstar.co
sultan.co
I have tons of others but I'm going to let let a bunch go. The renewal rates are too high.
Edited for readability.