x4h2ok y4h2 z4h2o 04h2ok 14h2
mvi2 nvi2o ovi2ok pvi2 qvi2o
bmj2o cmj2ok dmj2 emj2o fmj2ok
0ck2ok 1ck2 2ck2o 3ck2ok 4ck2
p3k2 q3k2o r3k2ok s3k2 t3k2o