nuci[7], onuc[7], unia[6], unio[6], naci[5], nica[5], ciao[5], nico[5],
cna[4], cni[4], nic[4], noc[4], ani[3], ano[3], ona[3], ino[3], oni[3],
au[4], nu[4], ci[3], co[3], na[2], in[2], ni[2], no[2], on[2],
