foby[11], fosy[9], sofy[9], boye[7], bosy[7], bose[6],
fob[9], efy[8], syf[8], efo[7], fes[7], fos[7], sof[7], boy[6], oby[6], esy[4], osy[4],
ef[6], fe[6], by[5], be[4], bo[4], eo[2], es[2], se[2], os[2],
