luegpq mueg nuegp ouegpq pueg
alfg blfgp clfgpq dlfg elfgp
zbggp 0bggpq 1bgg 2bggp 3bggpq
o2ggpq p2gg q2ggp r2ggpq s2gg
dthg ethgp fthgpq gthg hthgp