bici[7], boni[6], niob[6], nici[5], nico[5], inii[4], inio[4],
cob[6], bin[5], ibn[5], boi[5], obi[5], bon[5], cni[4], nic[4], noc[4], iii[3], ino[3], oni[3],
bi[4], bo[4], ci[3], co[3], ii[2], in[2], ni[2], no[2], on[2],
