mono[5], moon[5], snom[5], osom[5], somo[5], mowo[5], nowo[4], sowo[4],
mon[4], nom[4], omo[4], osm[4], som[4], ono[3], nos[3], son[3], oso[3], won[3], owo[3],
om[3], no[2], on[2], os[2],