summy[10], momus[9], musom[9], summo[9], sumom[9],
ummy[9], ummo[8], summ[8], musy[8], sumy[8], osmu[7], sumo[7], myom[7], osmy[6], somy[6],
umm[7], mus[6], sum[6], mym[6], sou[5], omy[5], osm[4], som[4], osy[4],
mu[5], su[4], my[4], om[3], os[2],
