app-admin
app-arch
app-backup
app-benchmarks
app-crypt
app-doc
app-editors
app-emulation
app-misc
app-mobilephone
app-office
app-portage
app-shells
app-text
app-vim
dev-cpp
dev-db
dev-java
dev-lang
dev-libs
dev-perl
dev-python
dev-ruby
dev-tex
dev-texlive
dev-util
dev-vcs
games-action
games-arcade
games-board
games-misc
games-puzzle
games-util
gnome-extra
mail-filter
media-fonts
media-gfx
media-plugins
media-sound
media-tv
media-video
net-analyzer
net-dialup
net-dns
net-im
net-libs
net-mail
net-misc
net-nds
net-wireless
sci-libs
sys-apps
sys-auth
sys-block
sys-boot
sys-fs
sys-kernel
sys-process
www-apps
www-client
www-plugins
x11-drivers
x11-libs
x11-misc
x11-terms
x11-themes