foso[8], sofo[8], sowo[4],
fee[7], efo[7], fes[7], fos[7], sof[7], oso[3], ewe[3], ewo[3], owe[3], owo[3], swe[3],
ef[6], fe[6], ee[2], eo[2], es[2], se[2], os[2], ew[2], we[2],
