bogu[10], opus[7], ospu[7],
buź[15], bug[9], gub[9], pub[8], obu[7], bus[7], opu[6], psu[6], spu[6], sou[5], osp[4],
bu[6], gu[6], bo[4], go[4], su[4], op[3], po[3], os[2],
