canon[6], nocna[6], nocni[6], anion[5],
naci[5], nica[5], ciao[5], nico[5], inna[4], anno[4], nona[4], nono[4],
cna[4], cni[4], nic[4], noc[4], ani[3], ano[3], ona[3], ino[3], oni[3], non[3], ono[3],
ci[3], co[3], na[2], in[2], ni[2], no[2], on[2],
