Something

USE="X aim alsa avi berkdb bitmap-fonts cairo cdr cli crypt cups dbus \
     dlloader dri dvd dvdr eds elibc_glibc emboss encode fam firefox \
     fortran gdbm gif -gnome gpm gstreamer gtk hal \
     input_devices_evdev input_devices_keyboard input_devices_mouse isdnlog jpeg \
     kde kernel_linux ldap libg++ mad mikmod mp3 mpeg ncurses nls \
     nptl nptlonly nvidia ogg opengl oscar oss pam pcre pdflib \
     perl png ppds pppd python qt3 qt4 quicktime readline reflection \
     sdl session spell spl ssl tcpd truetype truetype-fonts \
     type1-fonts udev unicode userland_GNU vorbis win32codecs x86 xml \
     xorg xv zlib mmx mtp musicbrainz java mmxext sse sse2 3dnow \
     3dnowext divx wmp mplayer aac samba -real symlink alias \
     translator server nsplugin nowlistening xinerama dedicated -editor \
     -ipv6 -esd -arts"