bigo[8], bogi[8], bido[7], dogi[7], bios[6], bosi[6], diso[5], diwo[5], doiw[5], dwoi[5], siwo[4], sowi[4], swoi[4], wsio[4],
big[7], gib[7], bid[6], gid[6], bod[6], dog[6], boi[5], obi[5], goi[5], ogi[5], bis[5], gis[5], wig[5], doi[4], ido[4], dis[4], diw[4], wid[4], osi[3], sio[3], soi[3], iwo[3], owi[3], wio[3], siw[3], wis[3], wsi[3],
bi[4], bo[4], go[4], id[3], do[3], od[3], si[2], os[2], iw[2],
