4 letters
- plug11
- plum12
- plus9
- pois7
- pols8
- psis7
- pubs11
- puce11
- puck15
- puds9
- pugs10
- pula9
- pule9
- puli9
- pull10
- pulp12
- puls9
- puns9
- pups11
- puri8
- purl9
- purs8
- push10
- puss8
- puts8
- pyic12
- quip17
- ribs7
- rips7
- rubs8
- sail5
- salp8
- saul6
- scab10
- scop10
- scud9
- scum11
- scup11
- scut8
- ship9
- shul8
- sial5
- sibb10
- sibs7
- sice7
- sick11
- sics7
- sild6
- silk9
- sill6
- silo5
- silt5
- simp10
- sipe7
- sips7
- skip11
- slab8
- slap8
- slid6
- slim8
- slip8
- slit5
- slob8
- slop8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- snib8
- snip8
- snub9
- soil5
- soli5
- soul6
- soup8
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spud9
- spue8
- spun9
- spur8
- stub8
- suba8
- subs8
- such10
- suck12
- suit5
- sulk10
- sulu7
- sump11
- supe8
- sups8
- syli7
- tics7
- tils5
- tips7
- tubs8
- tuis5
- tups8
- ulus7
- umps11
- unci9
- upas8
- upby13
- urbs8
- uric8
- wisp10
- yips9
- yups10
- zips16