A plurality of icons are displayed on a touch-sensitive display. A respective icon in at least a subset of the plurality of icons corresponds to two or more symbols. A contact by a user with the touch-sensitive display that corresponds to the respective icon is detected. A respective symbol in the two...http://www.google.ca/patents/US20070152978?utm_source=gb-gplus-sharePatent US20070152978 - Keyboards for Portable Electronic Devices
