biur[8], unii[6], inru[6], ruin[6], runi[6], inii[4],
bun[7], bru[7], bur[7], bin[5], ibn[5], rui[5], nur[5], run[5], urn[5], iii[3], inr[3],
bu[6], bi[4], nu[4], ii[2], in[2], ni[2],
