It appears that manufacturers of Android-based smartphones are borrowing model names from... well... condoms!
A rather interesting report, by Android and Me, suggests that a good percentage of the models hitting the market every year share their names with condom packets.
Consider the following names:
Quite apart from being names of smartphones, these are also names of different kinds of condoms available in the market!
For more pictorial proof, consider this graph made by Des Traynor from The Intercom Blog.