papo[6], popa[6], opas[5], ospa[5], sapo[5], opos[5], ospo[5],
pap[5], pop[5], pas[4], psa[4], sap[4], spa[4], osp[4], osa[3], oso[3],
pa[3], op[3], po[3], as[2], os[2],
