qis2p pis2 ois2ph nis2p mis2
1rr2 0rr2ph zrr2p yrr2 xrr2ph
c1q2ph b1q2p a1q2 90q2ph 80q2p
naq2p maq2 laq2ph kaq2p jaq2
yjp2 xjp2ph wjp2p vjp2 ujp2ph