bido[7], bios[6], bosi[6], spid[6], spod[6], diso[5], opis[5], spoi[5],
bid[6], bod[6], boi[5], obi[5], dip[5], pod[5], bis[5], doi[4], ido[4], poi[4], dis[4], psi[4], osp[4], osi[3], sio[3], soi[3],
bi[4], bo[4], id[3], do[3], od[3], pi[3], op[3], po[3], si[2], os[2],
