As the premises of Yogurty ‘s Frozen Yogurt in Sunnybrook Plaza nears completion, the uninitiated may be grappling with the word Froyo. It seems to be everywhere. On the murals inside the partly finished shop, on license plates and on the sign outside. Of course it means Frozen Yogurt. Now we need a promouncer. Is it Froyo like Boyo, or Froyo like Yoyo?