bobu[10], bomb[9], bomu[9], umbo[9], bums[9], osmu[7], sumo[7], osuw[6], owsu[6],
bub[9], bum[8], umb[8], bob[7], obu[7], bus[7], bom[6], mob[6], mus[6], sum[6], sou[5], suw[5], osm[4], som[4],
bu[6], mu[5], bo[4], su[4], wu[4], om[3], os[2],
