koh77 joh7 ioh772 hoh77 goh7
vxg7 uxg772 txg77 sxg7 rxg772
66f772 56f77 46f7 36f772 26f77
hgf77 ggf7 fgf772 egf77 dgf7
spe7 rpe772 qpe77 ppe7 ope772