efeb[10], sfen[8], news[4],
fee[7], fen[7], nef[7], fes[7], bee[5], ben[5], web[5], sen[3], ewe[3], wen[3], swe[3],
ef[6], fe[6], be[4], ee[2], en[2], es[2], se[2], ew[2], we[2],
