coro[5], cors[5], nono[4], norn[4], noro[4], roso[4],
noc[4], soc[4], non[3], ono[3], nor[3], oro[3], nos[3], son[3], oso[3], ros[3],
co[3], no[2], on[2], or[2], ro[2], os[2],
