pomb[8], boom[7], obom[7], mopo[6], opom[6], boso[6], mops[6], psom[6], spom[6], osom[5], somo[5], opos[5], ospo[5], mowo[5], sowo[4],
bom[6], mob[6], mop[5], omo[4], osm[4], som[4], osp[4], oso[3], owo[3],
bo[4], om[3], op[3], po[3], os[2],
