perek[7], nerek[6], neper[6], pener[6], pewne[6],
krep[6], erek[5], nerp[5], krew[5], werk[5], werp[5], nerw[4],
nep[4], pen[4], ker[4], rek[4], per[4], rep[4], wek[4], ner[3], ren[3], ewe[3], wen[3], rew[3], wre[3],
pe[3], ee[2], en[2], er[2], re[2], ew[2], we[2],
