The Wizard of Oz . 30a Odets {"Waiting for Lefty" playwright}. I.e. Clifford Odets (1906–1963). 63a Snape {Potter's potions professor}. I.e. Severus Snape in the Harry Potter book series. 38d tyre {One of four on a Rolls}. The British car make Rolls pointing to the British English spelling of tire . 47d