4 letters
- pili8
- pina8
- ping10
- pins8
- pint8
- pita7
- pits7
- plan9
- plat8
- plug11
- plus9
- puff14
- pugs10
- pula9
- puli9
- puls9
- puna9
- pung11
- puns9
- punt9
- puts8
- qats13
- quag16
- quai14
- quin15
- quit14
- raff10
- raft7
- ragi6
- rags6
- rail5
- rain5
- rang7
- rani5
- rant5
- rats4
- rial5
- rias4
- riff10
- rifs7
- rift7
- rigs6
- ring7
- rins5
- ruff11
- ruga7
- rugs7
- ruin6
- rung8
- runs6
- runt6
- rust5
- ruts5
- sadi5
- safe7
- saga6
- sage6
- sago6
- sags6
- sagy8
- said5
- sail5
- sain5
- saki8
- sale5
- sall6
- salp8
- sals5
- salt5
- sand6
- sane5
- sang7
- sank9
- sans5
- sari4
- sate4
- sati4
- saul6
- sawn8
- scag9
- scan8
- scat7
- scut8
- seal5
- seat4
- seif7
- self8
- sent5
- seta4
- shag8
- shat6
- shin7
- shit6
- shul8
- shun8
- shut7
- sial5
- sift7
- sigh8
- sign7
- sild6
- silk9
- sill6
- silo5
- silt5
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- site4
- sith6
- sits4
- skag10
- skat8
- skin9
- skit8
- skua9
- slab8
- slag7
- slam8
- slap8
- slat5
- slaw8
- slay7
- slid6
- slim8
- slip8
- slit5
- slog7
- slot5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smit7
- smug10
- smut8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snog7
- snot5
- snub9
- snug8
- sofa7
- soft7
- soil5
- sola5
- soli5
- song7
- soul6
- span8
- spat7
- spin8
- spit7
- spun9
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stir4
- stoa4
- stub8
- stud6
- stum8
- stun6
- suba8
- suet5
- sugh9
- suit5
- sulk10
- sulu7
- sung8
- sunk10
- sunn7
- suns6
- sura5
- surf8
- swag9
- swan8
- swat7
- swig9
- syli7
- tabs7
- tabu8
- tads5
- tael5
- tags6
- tail5
- tain5
- tala5