4 letters
- rets4
- rhus7
- rime7
- rims7
- rins5
- ripe7
- rips7
- rise4
- rite4
- rues5
- ruin6
- rump11
- rums8
- rune6
- runs6
- runt6
- ruse5
- rush7
- rust5
- ruth7
- ruts5
- sain5
- same7
- samp10
- sane5
- sans5
- saps7
- sash6
- sate4
- sati4
- scum11
- scup11
- scut8
- seam7
- seas4
- seat4
- secs7
- sect7
- seem7
- seen5
- seep7
- sees4
- segs6
- seif7
- seis4
- sels5
- seme7
- semi7
- send6
- sene5
- sent5
- sept7
- sers4
- seta4
- sets4
- sett4
- sewn8
- sews7
- sext11
- sham9
- shat6
- shea6
- shed7
- shes6
- shew9
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shoe6
- shop9
- shot6
- shri6
- shul8
- shun8
- shut7
- sibs7
- sice7
- sics7
- side5
- sift7
- sigh8
- sign7
- sike8
- silt5
- sima7
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- size13
- skep11
- skim11
- skin9
- skip11
- skis8
- skit8
- slim8
- slip8
- slit5
- slue6
- slum9
- slut6
- smew10
- smit7
- smug10
- smut8
- snap8
- sned6
- snib8
- snip8
- snit5
- snot5
- snub9
- snug8
- snye7
- some7
- sone5
- sons5
- soph9
- sops7
- soth6
- sots4
- soup8
- sous5
- spae7
- spam10
- span8
- spas7
- spat7
- spec10
- sped8
- spew10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spud9
- spue8
- spun9
- spur8
- sris4
- stem7
- step7
- stet4
- stew7
- stey6
- stir4
- stop7
- stub8
- stud6
- stum8
- stun6
- stye6
- subs8
- such10
- suds6
- sued6
- suer5
- sues5
- suet5
- sugh9
- suit5
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- suqs14
- sure5
- suss5
- swim10
- swum11
- syne7
- syph11
- tain5
- tame7
- tamp10
- tams7
- tans5
- tape7
- taps7