bud[8], buk[8], kub[8], bum[8], umb[8], dum[7], mud[7], kum[7], bru[7], bur[7], dur[6], rud[6], urd[6], kur[6], mru[6], mur[6], rum[6],
bu[6], ud[5], ku[5], mu[5],