bisu[8], ibis[6], unii[6], nius[6], suni[6], insi[4], sini[4],
bun[7], bus[7], bin[5], ibn[5], bis[5], siu[5], snu[5],
bu[6], bi[4], nu[4], su[4], ii[2], in[2], ni[2], si[2],
