There's usually one about warmth or passion. Clearly that's Fire. And there's usually one about being real or grounded. That's Earth.
Air represents freedom, flexibility, creativity or imagination. Water represents nourishment, responsibility or caring, and I'm including the World Cup's 'Diversity' value here.
Working with Vodafone some years ago, I remember their first two values as Red and Rock Solid (no prizes for guessing which elements there). Their third and final value was Restless (Air). But as a customer I could sometimes have wished they had a Water value too.