ozacr1 pzac qzacr rzacr1 szac

dqbc eqbcr fqbcr1 gqbc hqbcr

2gccr 3gccr1 4gcc 5gccr 6gccr1

r7ccr1 s7cc t7ccr u7ccr1 v7cc

gydc hydcr iydcr1 jydc kydcr