biby[9], niby[7], bisy[7], ibis[6], siny[5], insi[4], sini[4],
bib[7], bin[5], ibn[5], bis[5], yin[4], nys[4], sny[4], syn[4],
by[5], bi[4], ny[3], ii[2], in[2], ni[2], si[2],
