selen[6], wesel[6], senes[5],
less[5], elew[5], lewe[5], selw[5], eses[4], sens[4], news[4],
lee[4], len[4], lew[4], sen[3], ewe[3], wen[3], swe[3],
el[3], ee[2], en[2], es[2], se[2], ew[2], we[2],
