I have seen some interesting captchas over the years, and some of them intrigue me enough to find out why they are what they are - the history - the mythical meanings - all very interesting to me.
If you want to see all my other captcha research check out my master index http://bitbin.it/fbhOXm1W/
Here is another captcha word combo: three short words
APP store, iTunes APPs, etc.:
https://play.google.com/store/apps/details?id=com.bezzmedia.android.scrabbleshortwords
Definition, Dictionary, and Pedia sites:
http://phrontistery.info/three.html
http://phrontistery.info/scrabble3.html
http://yak.net/kablooey/scrabble/3letterwords.html
http://www.manythings.org/vocabulary/lists/l/words.php?f=noll04
Philosophy:
http://www.lifestalker.com/four-word-quotes/
Shopping and Stores:
http://www.zazzle.com/3+word+inspirational+quotes+magnets
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http://bitbin.it/fbhOXm1W/ Interesting Captchas master index - links to all my captcha pastes
http://bitbin.it/S4WFaJLS/ BitBin Throwback Index - interesting pastes I found here