Can you list 100 valid words within 100 seconds? However they MUST NOT contain the letters A, B, C or D? Ah! Click here to read the solution. SelectShow> zero, one, two, …, ten eleven, twelve, thirteen, …, twenty … ninety-one, ninety-two, …, ninety-nine 🙂 Related Share Brain TeaserFacebookGoogle+TwitterPinterestLinkedIn Related Brain Teaser:The Cassette RecorderJanuary 18, 2018Crack The CodeJanuary 18, 2018The Crime SceneJanuary 18, 2018The ShooterJanuary 18, 2018