bug[9], gub[9], bud[8], dug[8], buk[8], kub[8], bum[8], umb[8], gum[8], but[8], tub[8], dum[7], mud[7], kum[7], dut[7], tuk[7], tum[7], buz[7], bzu[7], guz[7], uzd[6], muz[6], tuz[6],
bu[6], gu[6], ud[5], ku[5], mu[5], tu[5], ut[5],
