esker[6], serek[6], skrew[6], skwer[6],
erek[5], esek[5], kres[5], kser[5], reks[5], krew[5], werk[5], eser[4], serw[4], wers[4],
ker[4], rek[4], eks[4], wek[4], ser[3], ewe[3], rew[3], wre[3], swe[3],
ee[2], er[2], re[2], es[2], se[2], ew[2], we[2],
