oxid[12], idos[5], iods[5], sods[5], ossi[5], diss[4],
xis[10], ido[4], iod[4], dos[4], ods[4], sod[4], dis[3], iss[3],
ix[9], xi[9], do[3], od[3], os[3], so[3], si[2],
