efom[9], meno[5], omen[5], neon[4],
fen[7], nef[7], efo[7], fon[7], men[4], nem[4], mon[4], nom[4], eon[3], one[3], non[3],
ef[6], fe[6], em[3], me[3], om[3], en[2], eo[2], no[2], on[2],
