Weblog mental_floss rounds up 10 short and sweet words for getting rid of your tough-to-unload but point-heavy letters at your rousing weekend game of Scrabble. We're talking words like Aa, Qat, Zax, Cwm, Xu, and five others that are short enough to fit anywhere and will hold up to a dictionary inquest. Got your own favourites? Expand our vocabulary in the comments. Photo by allyrose18.