2nf2r 3nf2ri 4nf2 5nf2r 6nf2ri

reg2ri seg2 teg2r ueg2ri veg2

g5g2 h5g2r i5g2ri j5g2 k5g2r

5vh2r 6vh2ri 7vh2 8vh2r 9vh2ri

umi2ri vmi2 wmi2r xmi2ri ymi2