Coming in six different colors -- one for each of the purported shades of the upcoming iPhone 5C, plus black -- Odoyo's Candy Combo ($25) is one of the earliest iPhone 5C cases to arrive at our offices. It's actually a unique design, and not just a remolded version of a case we've seen in the past. The two-piece design combines a plastic back shell with a rubber insert that adds button protection and port openings. It sits below the speakers though,…