merc[6], cent[6], cetn[6], cert[6], metr[6], term[6], trem[6], scen[5], mens[5], snem[5], serc[5], rent[5], tern[5], tren[5], sten[5], ster[5], tres[5],
met[5], cen[4], cne[4], men[4], nem[4], cer[4], mer[4], rem[4], ces[4], mes[4], sem[4], net[4], ten[4], ret[4], ter[4], set[4], ner[3], ren[3], sen[3], ser[3],
ce[3], em[3], me[3], et[3], te[3], ts[3], en[2], er[2], re[2], es[2], se[2],
