4 letters
- pows10
- prim10
- prom10
- pros7
- psis7
- psst7
- pubs11
- puli9
- puls9
- puss8
- pyas9
- pyes9
- pyic12
- pyin10
- ribs7
- rims7
- rimy9
- rips7
- robs7
- roil5
- romp10
- roms7
- ropy9
- rosy6
- sabs7
- sail5
- salp8
- sals5
- samp10
- saps7
- says6
- scop10
- seis4
- sels5
- semi7
- shim9
- ship9
- shmo9
- shop9
- sial5
- sibb10
- sibs7
- sics7
- sild6
- silk9
- sill6
- silo5
- silt5
- sima7
- simp10
- sims7
- sins5
- sipe7
- sips7
- sirs4
- sits4
- sizy15
- skim11
- skip11
- skis8
- slab8
- slam8
- slap8
- slay7
- slid6
- slim8
- slip8
- slit5
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slub9
- slum9
- smit7
- smog9
- snib8
- snip8
- snob8
- soap7
- sobs7
- sods5
- soil5
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- soma7
- some7
- sons5
- soph9
- sops7
- sorb7
- sori4
- sots4
- soul6
- soup8
- sous5
- sows7
- soya6
- soys6
- spam10
- spas7
- spay9
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- sris4
- stob7
- stop7
- subs8
- sumo8
- sump11
- sums8
- sups8
- swim10
- swob10
- swop10
- sybo9
- syli7
- syph11
- tils5
- tipi7
- tips7
- toby9
- toil5
- tomb10
- toms7
- topi7
- tops7
- toss4
- toys6
- typo9
- umbo11
- umps11
- upby13
- vims11
- viol9
- wily10
- wimp13
- wisp10
- wiss7
- womb13
- wops10
- yams9
- yaps9
- yelp10
- yids7
- yill8
- yins7
- yipe9
- yips9
- ylem10
- yobs9
- yods7
- yogi8
- yoks10
- yolk11
- yoni7
- yowl10
- yows9
- yups10
- ywis9
- zips16