mele[6], mole[6], smol[6], esem[5], sole[5], esom[5], meso[5],
mel[5], mol[5], lee[4], mee[4], ole[4], mes[4], sem[4], los[4], ols[4], sol[4], osm[4], som[4],
el[3], em[3], me[3], om[3], ee[2], eo[2], es[2], se[2], os[2],