bug[9], gub[9], but[8], tub[8], beg[7], buz[7], bzu[7], guz[7], bet[6], tuz[6], bez[5], gez[5], tez[4], zet[4],
bu[6], gu[6], tu[5], ut[5], be[4], et[3], te[3], ez[2], ze[2],