biur[8], birr[6], inru[6], ruin[6], runi[6], brwi[6], winu[6], wiru[6],
bun[7], bru[7], bur[7], bin[5], ibn[5], brr[5], rui[5], nur[5], run[5], urn[5], rur[5], wun[5], inr[3], niw[3], win[3], wir[3], wrr[3],
bu[6], bi[4], nu[4], wu[4], in[2], ni[2], iw[2],
