büro[12], bora[7], barr[6], birr[6],
abo[6], boa[6], bio[6], obi[6], bor[6], abi[5], bai[5], bar[5], brr[5], roi[4], air[3], rai[3], rar[3], irr[3],
üb[9], ob[5], ab[4], bi[4], ai[2], ar[2],
