4 letters
- orbs7
- orca7
- orcs7
- ores4
- orle5
- orts4
- osar4
- oses4
- ours5
- oven9
- over8
- owes7
- owls8
- owns8
- owse7
- oxen12
- oxes11
- oyer6
- oyes6
- pecs10
- peel8
- peen8
- peer7
- pees7
- pele8
- pens8
- peon8
- peso7
- pole8
- pols8
- pone8
- pons8
- pore7
- porn8
- pose7
- pree7
- pros7
- race7
- rale5
- rase4
- real5
- rebs7
- reck11
- recs7
- rede5
- redo5
- reds5
- reed5
- reef7
- reek8
- reel5
- rees4
- refs7
- regs6
- rein5
- reis4
- rely7
- rems7
- rend6
- rent5
- repo7
- reps7
- resh6
- rest4
- rete4
- rets4
- revs8
- rhos6
- rice7
- riel5
- rile5
- rins5
- rise4
- roan5
- robe7
- robs7
- rock11
- rocs7
- rode5
- rods5
- roes4
- roil5
- role5
- rolf8
- roll6
- roms7
- rope7
- rose4
- rosy6
- rote4
- rotl5
- rots4
- roue5
- rove8
- rows7
- rues5
- rule6
- rune6
- runs6
- ruse5
- ryes6
- sale5
- sane5
- scan8
- scar7
- scop10
- scot7
- scow10
- scry9
- seal5
- sear4
- secs7
- sect7
- seed5
- seek8
- seel5
- seem7
- seen5
- seep7
- seer4
- sees4
- sego6
- self8
- sell6
- sels5
- seme7
- send6
- sene5
- sent5
- sera4
- sere4
- serf7
- sers4
- sewn8
- shoe6
- sice7
- silo5
- sine5
- sire4
- skee8
- sled6
- slew8
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slue6
- slur6
- sned6
- snob8
- snog7
- snot5
- snow8
- snye7
- soar4
- sock11
- soil5
- soke8
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- some7
- sone5
- song7
- sons5
- soon5
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soul6
- sour5
- sown8
- spec10
- suer5
- sure5
- syce9
- sync10
- syne7
- teel5
- teen5
- tees4
- tele5
- tels5
- tens5
- tern5
- toes4
- tole5
- tone5
- tons5
- torc7
- tore4