4 letters
- once8
- oral5
- orbs7
- orby9
- orca7
- orcs7
- ores4
- orle5
- over8
- oyer6
- pleb11
- pole8
- pore7
- race7
- rale5
- real5
- rebs7
- reck11
- recs7
- redo5
- reel5
- rely7
- repo7
- rice7
- riel5
- rile5
- robe7
- robs7
- rock11
- rocs7
- rode5
- roes4
- roil5
- role5
- rolf8
- roll6
- rope7
- rose4
- rote4
- rotl5
- roue5
- rove8
- rube8
- rule6
- slob8
- sloe5
- sole5
- sorb7
- sore4
- tole5
- torc7
- tore4
- verb11
- vole9
- wore7
- yore6
- zero13