sebom[8], besso[7], messo[6], sosem[6],
bose[6], bess[6], boss[6], esom[5], meso[5], mess[5],
bom[6], mob[6], mes[4], sem[4], osm[4], som[4], sos[3],
be[4], bo[4], em[3], me[3], om[3], eo[2], es[2], se[2], os[2],
