On Mon, 4 Sep 1995, Ender Wiggin wrote:

> 	Talking to my Japanese friend about the levels and usages of
> 'H', hentai, sukebe, and ecchi.  All he could tell me was that they
> meant "deviant" but not necessarily bad deviance.  He also couldn't say
> what the order of "deviance" between the terms.

    H    < etchi  <   hentai/sukabe

 naughty < erotic < perverted deviant

But this is what I've gathered. "H" being only part of "hentai" should
logically mean "less than the full amount". 

But this is all speculation without and hard rules to follow. Aren't 
ambiguties wonderful? (Is a glass half empty or half full?)