o6rb54 p6rb q6rb5 r6rb54 s6rb

dxsb exsb5 fxsb54 gxsb hxsb5

2ntb5 3ntb54 4ntb 5ntb5 6ntb54

reub54 seub teub5 ueub54 veub

g5ub h5ub5 i5ub54 j5ub k5ub5