büke[14], kose[8], zebu[8], beos[7], obus[7], uzes[6],
bük[13], übe[10], buk[8], kos[7], beo[6], bus[5], uze[5], sou[4], uso[4],
üb[9], ob[5], uz[4], zu[4], os[3], so[3], es[2],
