4 letters
- pugs10
- puli9
- puls9
- puma11
- pump14
- puns9
- pups11
- puri8
- purs8
- push10
- puss8
- puts8
- quip17
- rims7
- rips7
- romp10
- roms7
- roup8
- rump11
- rums8
- samp10
- saps7
- scop10
- scum11
- scup11
- seis4
- semi7
- shim9
- ship9
- shmo9
- shop9
- sibs7
- sics7
- silo5
- sima7
- simp10
- sims7
- sins5
- sipe7
- sips7
- sirs4
- sits4
- skim11
- skip11
- skis8
- slim8
- slip8
- slop8
- slum9
- smit7
- smog9
- smug10
- smut8
- snip8
- soap7
- sobs7
- sods5
- soil5
- soli5
- sols5
- soma7
- some7
- sons5
- soph9
- sops7
- sori4
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sows7
- soys6
- spam10
- spas7
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spud9
- spue8
- spun9
- spur8
- sris4
- stop7
- stum8
- subs8
- suds6
- sues5
- suit5
- sumo8
- sump11
- sums8
- suns6
- supe8
- sups8
- suqs14
- suss5
- swim10
- swop10
- swum11
- tipi7
- tips7
- toms7
- topi7
- tops7
- toss4
- tuis5
- tump11
- tups8
- udos6
- umbo11
- umps11
- upas8
- updo9
- upon9
- uses5
- vims11
- wimp13
- wisp10
- wiss7
- wops10
- wuss8
- yips9
- yups10
- zips16