The abbreviation cluster S I O R for sacrorum Invicti Omnipotentis Regis occurs 1 times.
Click here for a list of all attestations.
| All solutions for the abbreviation cluster S I O R | ||||
| Abbreviation cluster | Abbreviated word cluster | Frequency | ||
| S I O R | sacrorum Invicti Omnipotentis Regis | 1 | ||