foce[9], foss[8], cewo[5], owce[5], woce[5],
efo[7], fes[7], fos[7], sof[7], ces[4], soc[4], cew[4], sos[3], ewo[3], owe[3], swe[3],
ef[6], fe[6], ce[3], co[3], eo[2], es[2], se[2], os[2], ew[2], we[2],
