4 letters
- ones5
- opes7
- orbs7
- orby9
- orca7
- orcs7
- ores4
- orle5
- orts4
- osar4
- oses4
- ours5
- over8
- owes7
- owse7
- oxes11
- oyer6
- oyes6
- pecs10
- peso7
- pore7
- pose7
- pros7
- race7
- rase4
- rebs7
- reck11
- recs7
- redo5
- reds5
- rees4
- refs7
- regs6
- reis4
- rems7
- repo7
- reps7
- resh6
- rest4
- rets4
- revs8
- rhos6
- ribs7
- rice7
- rise4
- robe7
- robs7
- rock11
- rocs7
- rode5
- rods5
- roes4
- role5
- roms7
- rope7
- rose4
- rosy6
- rote4
- rots4
- roue5
- rove8
- rows7
- rube8
- rubs8
- rues5
- ruse5
- ryes6
- sabe7
- scab10
- scar7
- scop10
- scot7
- scow10
- scry9
- sear4
- secs7
- sect7
- seer4
- sego6
- sera4
- sere4
- serf7
- sers4
- shoe6
- sice7
- sire4
- slob8
- sloe5
- snob8
- soar4
- sobs7
- sock11
- soke8
- sole5
- some7
- sone5
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- sour5
- spec10
- stob7
- suer5
- sure5
- swob10
- sybo9
- syce9
- toes4
- torc7
- tore4
- tors4
- urbs8
- user5
- verb11
- voes8
- webs10
- woes7
- wore7
- yobs9
- yore6
- zero13