mcd2 ncd2o ocd2oc pcd2 qcd2o
b3d2o c3d2oc d3d2 e3d2o f3d2oc
0te2oc 1te2 2te2o 3te2oc 4te2
pkf2 qkf2o rkf2oc skf2 tkf2o
ebg2o fbg2oc gbg2 hbg2o ibg2oc