bido[7], ibis[6], bios[6], bosi[6], boss[6], idis[5], diso[5], ossi[4],
bid[6], bod[6], boi[5], obi[5], bis[5], doi[4], ido[4], dis[4], iii[3], osi[3], sio[3], soi[3], sos[3],
bi[4], bo[4], id[3], do[3], od[3], ii[2], si[2], os[2],
