9fu2r9 agu2 bgu2r cgu2r9 dgu2
y6u2 z6u2r 06u2r9 16u2 26u2r
nxv2r oxv2r9 pxv2 qxv2r rxv2r9
cow2r9 dow2 eow2r fow2r9 gow2
1ex2 2ex2r 3ex2r9 4ex2 5ex2r