efem[9], dece[6], emce[6], dnem[6], mend[6], eden[5], enem[5],
fee[7], fen[7], nef[7], dem[5], mee[4], cen[4], cne[4], den[4], end[4], men[4], nem[4],
ef[6], fe[6], ce[3], de[3], em[3], me[3], ee[2], en[2],
