pesew[6], esowe[5],
epos[5], osep[5], peso[5],
pfe[8], fee[7], efo[7], fes[7], fos[7], sof[7], sep[4], osp[4], ewe[3], ewo[3], owe[3], swe[3],
ef[6], fe[6], pe[3], op[3], po[3], ee[2], eo[2], es[2], se[2], os[2], ew[2], we[2],