büsi[11], bugs[7], buhs[7], hubs[7], ibis[6],
hüb[11], gib[6], bug[6], buh[6], hub[6], bis[5], bus[5], gis[4], his[4], hui[4],
üb[9], hü[8], bi[4], hi[3], hu[3], uh[3], si[2], ui[2],
