mums[8], summ[8], sumo[7], umso[7], muss[6], sums[6], sous[5], usos[5], nuss[4], usus[4],
mum[7], mus[5], ums[5], ons[4], sou[4], uso[4], uns[3],
um[4], on[3], os[3], so[3], nu[2],
