deb http://http.us.debian.org/debian testing main contrib non-free
deb-src http://http.us.debian.org/debian testing main contrib non-free

deb http://security.debian.org/ testing/updates main contrib non-free
deb-src http://security.debian.org/ testing/updates main contrib non-free

deb http://http.us.debian.org/debian testing-updates main contrib non-free
deb-src http://http.us.debian.org/debian testing-updates main contrib non-free

deb http://http.us.debian.org/debian unstable main contrib non-free
deb-src http://http.us.debian.org/debian unstable main contrib non-free