buc[8], buk[8], kub[8], kuc[7], bun[7], bus[7], bek[6], ecu[6], kun[6], suk[6], cek[5], ben[5], esu[5], snu[5], cen[4], cne[4], ces[4], eks[4], sen[3],
bu[6], ku[5], be[4], nu[4], su[4], ce[3], en[2], es[2], se[2],
