biur[8], bisu[8], brus[8], burs[8], ibis[6], unii[6], inru[6], ruin[6], runi[6], nius[6], suni[6], rusi[6], insi[4], sini[4],
bun[7], bru[7], bur[7], bus[7], bin[5], ibn[5], bis[5], rui[5], nur[5], run[5], urn[5], siu[5], snu[5], rus[5], sur[5], inr[3], sir[3],
bu[6], bi[4], nu[4], su[4], ii[2], in[2], ni[2], si[2],
