brio[6], broi[6], robi[6], brwi[6], wcir[5],
cob[6], boi[5], obi[5], bor[5], rob[5], wic[4], roi[3], iwo[3], owi[3], wio[3], wir[3], rwo[3],
bi[4], bo[4], ci[3], co[3], or[2], ro[2], iw[2],
