bele[7], lesb[7], elew[5], lewe[5], selw[5], news[4],
bel[6], ble[6], bee[5], ben[5], web[5], lee[4], len[4], lew[4], sen[3], ewe[3], wen[3], swe[3],
be[4], el[3], ee[2], en[2], es[2], se[2], ew[2], we[2],
