4 letters
- raps7
- rash6
- rasp7
- recs7
- reis4
- reps7
- resh6
- rhos6
- rhus7
- rias4
- ribs7
- rice7
- rich9
- rick11
- rids5
- rifs7
- rigs6
- rims7
- rins5
- ripe7
- rips7
- rise4
- risk8
- rocs7
- roup8
- rubs8
- ruck12
- ruer5
- rues5
- rugs7
- ruin6
- rump11
- rums8
- runs6
- ruse5
- rush7
- rusk9
- rust5
- ruth7
- ruts5
- sari4
- scar7
- scop10
- scry9
- scud9
- scum11
- scup11
- scut8
- shim9
- shin7
- ship9
- shit6
- shiv10
- shop9
- shri6
- shul8
- shun8
- shut7
- sice7
- sick11
- sics7
- sigh8
- simp10
- sinh7
- sipe7
- sips7
- sire4
- sirs4
- sith6
- skip11
- slip8
- slur6
- snip8
- soph9
- sori4
- soup8
- sour5
- spar7
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spud9
- spue8
- spun9
- spur8
- sris4
- stir4
- such10
- suck12
- suer5
- sugh9
- suit5
- sump11
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- syph11
- thir6
- this6
- thru7
- thus7
- tics7
- tips7
- trip7
- tuis5
- tups8
- tush7
- ughs9
- umps11
- unci9
- upas8
- urbs8
- urds6
- uric8
- urns6
- ursa5
- urus6
- user5
- whip12
- whir9
- wich12
- wish9
- wisp10
- yips9
- yirr6
- yuch12
- yups10
- zips16