kwef[9], sfen[8], eden[5], esek[5], sedn[5], news[4],
fee[7], fen[7], nef[7], fes[7], dek[5], den[4], end[4], des[4], eks[4], wek[4], sen[3], ewe[3], wen[3], swe[3],
ef[6], fe[6], de[3], ee[2], en[2], es[2], se[2], ew[2], we[2],
