elf[8], fen[7], nef[7], bel[6], ble[6], hel[6], hem[6], mel[5], ben[5], hen[5], len[4], men[4], nem[4],
ef[6], fe[6], hm[5], be[4], eh[4], he[4], el[3], em[3], me[3], en[2],
