stel[6], less[5], elew[5], lewe[5], selw[5], stew[5], eses[4],
tle[5], lee[4], set[4], tss[4], lew[4], twe[4], wet[4], wte[4], ewe[3], swe[3],
el[3], et[3], te[3], ts[3], ee[2], es[2], se[2], ew[2], we[2],
