keku[8], kruk[8], keru[7], reku[7], zeku[7], krzu[7], kurz[7], zeru[6], krez[5], krze[5], rzek[5],
kuk[7], kur[6], kek[5], ker[4], rek[4], zek[4], zer[3],
ku[5], er[2], re[2], ez[2], ze[2],
