4 letters
- muns9
- muse8
- mush10
- musk12
- muss8
- must8
- muts8
- nibs8
- nils6
- nims8
- nips8
- nubs9
- numb12
- obis7
- oils5
- opus8
- pail8
- palm11
- pals8
- pams10
- pass7
- pfui11
- phis9
- pial8
- pias7
- pics10
- pies7
- pigs9
- pile8
- pili8
- pill9
- pily10
- pima10
- pimp13
- pins8
- pips10
- pish9
- piso7
- piss7
- pits7
- pleb11
- plie8
- plug11
- plum12
- plus9
- pois7
- pols8
- poms10
- prim10
- psis7
- psst7
- pubs11
- puds9
- pugs10
- pula9
- pule9
- puli9
- pull10
- pulp12
- puls9
- puma11
- pump14
- puns9
- pups11
- puri8
- purl9
- purs8
- push10
- puss8
- puts8
- quip17
- ribs7
- rims7
- rips7
- rubs8
- rump11
- rums8
- sabs7
- sail5
- salp8
- sals5
- samp10
- saps7
- saul6
- scum11
- scup11
- seis4
- sels5
- semi7
- shim9
- ship9
- shul8
- sial5
- sibb10
- sibs7
- sics7
- sild6
- silk9
- sill6
- silo5
- silt5
- sima7
- simp10
- sims7
- sins5
- sipe7
- sips7
- sirs4
- sits4
- skim11
- skip11
- skis8
- slab8
- slam8
- slap8
- slid6
- slim8
- slip8
- slit5
- slob8
- slop8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smit7
- smug10
- smut8
- snib8
- snip8
- snub9
- sobs7
- soil5
- soli5
- sols5
- sops7
- soul6
- soup8
- sous5
- spam10
- spas7
- spic10
- spik11
- spin8
- spit7
- spiv11
- spud9
- spue8
- spun9
- spur8
- sris4
- stub8
- stum8
- suba8
- subs8
- suds6
- sues5
- suit5
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- suns6
- supe8
- sups8
- suqs14
- suss5
- swim10
- swum11
- syli7
- tils5
- tips7
- tubs8
- tuis5
- tump11
- tups8
- ulus7
- umbo11
- umps11
- upas8
- upby13
- urbs8
- uses5
- vims11
- wimp13
- wisp10
- wiss7
- wuss8
- yips9
- yups10
- zips16