4 letters
- plat8
- plus9
- pula9
- puls9
- puts8
- qats13
- rats4
- rust5
- ruts5
- sack11
- sacs7
- sail5
- sale5
- sall6
- salp8
- sals5
- salt5
- sate4
- sati4
- saul6
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scot7
- scud9
- scum11
- scup11
- scut8
- seal5
- seat4
- sect7
- seta4
- shat6
- shul8
- shut7
- sial5
- silt5
- skat8
- skua9
- slab8
- slag7
- slam8
- slap8
- slat5
- slaw8
- slay7
- slit5
- slot5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smut8
- sola5
- soul6
- spat7
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stoa4
- stub8
- stud6
- stum8
- stun6
- suba8
- such10
- suck12
- suet5
- suit5
- sulk10
- sulu7
- sura5
- swat7
- tabs7
- tabu8
- tace7
- tach9
- tack11
- taco7
- tact7
- tads5
- tael5
- tags6
- tail5
- tala5
- talc8
- tale5
- tali5
- talk9
- tall6
- tams7
- tans5
- taos4
- taps7
- tars4
- task8
- tass4
- tats4
- taus5
- taut5
- tavs8
- taws7
- teal5
- teas4
- tela5
- tels5
- thus7
- tics7
- tils5
- tola5
- tolu6
- tsar4
- tuba8
- tubs8
- tuck12
- tufa8
- tugs7
- tuis5
- tule6
- tuna6
- tuns6
- tups8
- tush7
- tusk9
- tuts5
- twas7
- ulan7
- ulna7
- ulus7
- ulva10
- upas8
- ursa5
- utas5
- vacs11
- vast8
- vats8
- vatu9
- vaus9
- wast7
- wats7
- waul9
- yuca10