obig[8], borg[8], grob[8], coir[8], birg[7], giro[6], birr[6], girr[5],
bog[7], gib[6], bio[6], obi[6], bor[6], goi[5], gor[5], brr[5], roi[4], irr[3],
ob[5], bi[4], go[4],
