87bgs 97bgs2 a8bg b8bgs c8bgs2
xycgs2 yycg zycgs 0ycgs2 1ycg
mpdg npdgs opdgs2 ppdg qpdgs
bgegs cgegs2 dgeg egegs fgegs2
06egs2 16eg 26egs 36egs2 46eg