buną[12], unią[10], buny[9], enbu[8], niby[7], nieb[6], unie[6],
bun[7], nią[7], ben[5], bin[5], ibn[5], yin[4], nie[3],
bu[6], by[5], be[4], bi[4], nu[4], ny[3], en[2], in[2], ni[2],
