codo[6], ooid[5], cios[5], diso[5], sodo[5],
cod[5], doc[5], doi[4], ido[4], odo[4], cis[4], sic[4], dis[4], soc[4], osi[3], sio[3], soi[3], oso[3],
ci[3], id[3], co[3], do[3], od[3], si[2], os[2],
