syfi[9], efie[8], siwy[5], wisy[5], esie[4], ewie[4], siew[4], siwe[4], wsie[4],
efy[8], syf[8], fee[7], fes[7], fis[7], esy[4], ewy[4], iwy[4], eis[3], sie[3], ewe[3], wie[3], swe[3], siw[3], wis[3], wsi[3],
ef[6], fe[6], fi[6], wy[3], ee[2], es[2], se[2], si[2], ew[2], we[2], iw[2],
