buxe[13], berg[7], gerb[7], beug[7], buge[7], burg[7], grub[7], bure[6],
rex[10], beg[6], geb[6], bug[6], egg[5], erb[5], erg[4], ger[4], reg[4], gur[4], reu[3], ure[3],
ex[9], er[2], re[2], ur[2],
