meno[5], omen[5], ezom[5], ozem[5], neon[4], noez[4], ozen[4],
men[4], nem[4], mon[4], nom[4], eon[3], one[3], non[3], zen[3], ezo[3], zon[3],
em[3], me[3], om[3], en[2], eo[2], no[2], on[2], ez[2], ze[2], oz[2],
