The first step in becoming a formidable Scrabble player is learning all 101 valid two-letter words. Having these under your belt allows you to incorporate more adjacent tiles into your plays, leading to higher scores and better defense. TOE is here to help you master these tiny, obscure words thanks to the keen coding skills of mrjellyfish, whose own Scrabble exploits are the stuff of legend. Grab your bo or your jo and head on over to the Scrabble Two-Letter Word Quiz...it won’t cost you a xu.