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| OTJAG | OTK | OTL | OTLC | OTM | OTMOP |
| OTN | OTNS | OTO | OTOE | OTOS | OTP |
| OTP/usa | OTPS | OTQ | OTR | OTR (CDER) | OTRR |
| OTRR (CBER) | OTRS | OTS | OTS (CDER) | OTSG | OTSS |
| OTT | OTU | OTV | OTW | OTY | OU |
| OUA | OUB | OUC | OUF | OUG | OUI |
| OUO | OUP | OUS | OUSD | OUSD(AT&L) | OUSD(C) |
| OUSD(P) | OUST | OUT | OUTBD | OUTBOARD | OUU |
| OV | OV-1 | OV-10 | OVA | OVAB | OVAC |
| OVAE | OVAL | OVAM | OVAMS | OVBD | OVC |
| OVCO | OVCP | OVCS | OVE | OVER | OVERS |
| OVF | OVFL | OVG | OVH | OVHD | OVHT |
| OVI | OVIS | OVK | OVLD | OVM | OVN |
| OVP | OVQ | OVR | OVRD | OVRR | OVS |
| OVST | OVT | OVV | OW | OWA | OWBO |
| OWC | OWCP | OWD | OWDE | OWF | OWG |
| OWH | OWI | OWK | OWLS | OWM | OWMS |