buch[11], duch[10], mchu[10], much[10],
bub[9], hub[9], buc[8], bud[8], chu[8], uch[8], duh[8], bum[8], umb[8], uhm[8], cud[7], cum[7], muc[7], dum[7], mud[7],
bu[6], hu[6], hm[5], ud[5], mu[5],
