nihon.announce		Announcements about nihon newsgroups.
nihon.beginners.pc	Questions and answers about PC for beginners.
nihon.beginners.salon	Netnews beginners' salon.
nihon.books		Topics about books.
nihon.comp		General topics on computers.
nihon.comp.microsoft.windows98	Topics on Microsoft Windows 98.
nihon.config		Talking about nihon hierarchy.
nihon.config.abuse	Discussion on abuse of nihon.* hierarchy.
nihon.config.feed	Discussions about news feed of nihon.
nihon.config.groups	Discussions of nihon.* newsgroups.
nihon.config.policy	Discussion on the policy of nihon.* hierarchy.
nihon.enkai		Advertisement and Discussion about party.
nihon.fan.morning-musume	Talking about morning-musume.
nihon.gengo.nihongo	Topics on Japanese language.
nihon.internet		Topics on the Internet.
nihon.internet.providers	Topics on internet service providers.
nihon.internet.website.2ch	Topics on website 2ch.
nihon.jokes		Jokes.
nihon.life.juken	Topics on examination.
nihon.mail		General topics on mail.
nihon.mail.friends	Advertisements for mail friends.
nihon.misc		Miscellaneous topics.
nihon.netnews		General topics on NetNews.
nihon.netnews.reader	Topics on news readers.
nihon.soc.nuclear	Topics on atomic energy.
nihon.soc.politics	Topics on politics.
nihon.talk		Let's freetalk.
nihon.talk.color	Talk about color.
nihon.talk.diet		Topics about diet.
nihon.talk.games	Topics on games.
nihon.talk.hneta	hentai stories.
nihon.talk.kuwagata	Topics on Kuwagata-mushi.
nihon.talk.music	Talking about music.
nihon.talk.robot	Talking about robot.
nihon.talk.sports	Topics on sports.
nihon.talk.tv		Talking about television and TV programs.
nihon.talk.wheel	Talking about autos and bicycles.
nihon.test		Testing.
nihon.test.check	The newsgroup for automatic checking on test articles.
nihon.test.rakugaki	Scribbling.