bigo[8], bogi[8], gigo[8], bido[7], dogi[7], dobo[7], oboi[6], bios[6], bosi[6], boso[6], ooid[5], diso[5], sodo[5],
big[7], gib[7], gig[7], bid[6], gid[6], bod[6], dog[6], boi[5], obi[5], goi[5], ogi[5], bis[5], gis[5], doi[4], ido[4], odo[4], dis[4], osi[3], sio[3], soi[3], oso[3],
bi[4], bo[4], go[4], id[3], do[3], od[3], si[2], os[2],
