buch[11], bucu[11], uchu[11], bumu[11], umbu[11], tubu[11], mchu[10], much[10], tchu[10], tumb[10], mucu[10], tumu[10],
hub[9], buu[9], uhu[9], buc[8], chu[8], uch[8], bum[8], umb[8], uhm[8], but[8], tub[8], hut[8], muu[8], cum[7], muc[7], tum[7],
bu[6], hu[6], uu[6], hm[5], mu[5], tu[5], ut[5], wu[4],
