moog[7], pogo[7], smog[7], poco[6], mopo[6], opom[6], mops[6], psom[6], spom[6], osom[5], somo[5], opos[5], ospo[5],
com[5], moc[5], mop[5], omo[4], soc[4], osm[4], som[4], osp[4], oso[3],
go[4], co[3], om[3], op[3], po[3], os[2],
