bigo[8], bogi[8], obco[7], oboi[6], owco[5], owoc[5],
big[7], gib[7], cob[6], boi[5], obi[5], goi[5], ogi[5], wig[5], wic[4], iwo[3], owi[3], wio[3], owo[3],
bi[4], bo[4], go[4], ci[3], co[3], iw[2],
