efeb[10], efem[9], bebe[8], enem[5],
fee[7], beg[7], fen[7], nef[7], gem[6], bee[5], ben[5], gen[5], mee[4], men[4], nem[4],
ef[6], fe[6], be[4], em[3], me[3], ee[2], en[2],
