anso[4], naos[4], nosa[4], sona[4],
cna[4], noc[4], soc[4], ano[3], ona[3], ans[3], nas[3], san[3], osa[3], nos[3], son[3], sas[3], sos[3],
co[3], na[2], no[2], on[2], as[2], os[2],
