People just don't pay attention to minor changes such as extra or missing letters in the name. (hackbusters.com)
Horse breeders, especially in Europe, sometimes use the first letter of the dam's name as the first letter in the name of all of her offspring. (en.wikipedia.org)
The first letter of the leading block denotes the first letter in the name of the associated Android version, meaning that all Android Oreo builds will start with «O.» The second letter in the first block is meant to signify the platform's vertical and should be «P» in any build you install, which is the designation for Android's main platform branch. (androidheadlines.com)