4 letters
- scan8
- scar7
- scat7
- scot7
- scud9
- scum11
- scup11
- scut8
- seat4
- sect7
- seta4
- shat6
- shut7
- skat8
- skua9
- slab8
- slat5
- slub9
- slut6
- smut8
- snub9
- spat7
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stoa4
- stob7
- stub8
- stud6
- stum8
- stun6
- suba8
- subs8
- such10
- suck12
- suet5
- suit5
- sura5
- swab10
- swat7
- tabs7
- tabu8
- tace7
- tach9
- tack11
- taco7
- tact7
- tads5
- tags6
- talc8
- tams7
- tans5
- taos4
- taps7
- tars4
- task8
- tass4
- tats4
- taus5
- taut5
- tavs8
- taws7
- teas4
- thus7
- tics7
- tsar4
- tuba8
- tube8
- tubs8
- tuck12
- tufa8
- tugs7
- tuis5
- tuna6
- tuns6
- tups8
- tush7
- tusk9
- tuts5
- twas7
- upas8
- urbs8
- ursa5
- utas5
- vacs11
- vast8
- vats8
- vatu9
- vaus9
- wabs10
- wast7
- wats7
- yuca10