4 letters
- pone8
- pong10
- pons8
- pore7
- porn8
- pose7
- posh9
- prig9
- prim10
- prog9
- prom10
- pros7
- regs6
- rein5
- reis4
- rems7
- repo7
- reps7
- resh6
- rhos6
- riel5
- rigs6
- rile5
- rime7
- rims7
- ring7
- rins5
- ripe7
- rips7
- rise4
- roes4
- roil5
- role5
- romp10
- roms7
- rope7
- rose4
- sego6
- semi7
- shim9
- shin7
- ship9
- shmo9
- shoe6
- shog8
- shop9
- shri6
- sigh8
- sign7
- silo5
- simp10
- sine5
- sing7
- sinh7
- sipe7
- sire4
- slim8
- slip8
- sloe5
- slog7
- slop8
- smog9
- snip8
- snog7
- soil5
- sole5
- soli5
- some7
- sone5
- song7
- soph9
- sore4
- sori4
- sorn5
- spin8