nerką[10], krewą[10], nerek[6],
erką[9], weką[9], nerą[8], weną[8], rewą[8], erek[5], krew[5], werk[5], nerw[4],
krą[8], rąk[8], erą[7], ewą[7], rwą[7], wrą[7], ker[4], rek[4], wek[4], ner[3], ren[3], ewe[3], wen[3], rew[3], wre[3],
ee[2], en[2], er[2], re[2], ew[2], we[2],
