9wo2kr axo2 bxo2k cxo2kr dxo2
ynp2 znp2k 0np2kr 1np2 2np2k
neq2k oeq2kr peq2 qeq2k req2kr
c5q2kr d5q2 e5q2k f5q2kr g5q2
1vr2 2vr2k 3vr2kr 4vr2 5vr2k