frug[8], gurk[8], krug[8], birg[7], burg[7], grub[7], krud[7], urig[5],
buk[8], fug[7], gib[6], kid[6], kir[6], bug[6], ruf[6], kur[6], gur[4], dir[3], dur[3],
bi[4], du[2], ud[2], ui[2], ur[2],
