http://www.flashcardexchange.com/tag/tradegeneric www.flashcardexchange.com: tradegeneric Flashcards en-us Mon, 28 May 2012 10:37:58 PDT Mon, 28 May 2012 10:37:58 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/423569 about 500 most common 2007-01-10 http://www.flashcardexchange.com/flashcards/view/423569