Looks like there's no appropriate letter for Niantic in Google's new alphabet. The game studio, which has done some innovative things in location-based gaming, is being spun off as its own independent company.
http://www.theverge.com/2015/8/12/9145693/niantic-labs-leaves-google-independent-ingress
http://www.theverge.com/2015/8/12/9145693/niantic-labs-leaves-google-independent-ingress