grek[7], gres[6], gwer[6], kres[5], kser[5], reks[5], seks[5], krew[5], werk[5], sers[4], serw[4], wers[4],
keg[6], erg[5], ges[5], ker[4], rek[4], eks[4], wek[4], ser[3], rew[3], wre[3], wrr[3], swe[3],
er[2], re[2], es[2], se[2], ew[2], we[2],
