4 letters
- past7
- pats7
- psst7
- puna9
- puns9
- punt9
- puss8
- puts8
- qats13
- rant5
- rats4
- runs6
- runt6
- rust5
- ruts5
- sabs7
- sack11
- sacs7
- saga6
- sags6
- sain5
- sals5
- salt5
- sand6
- sane5
- sang7
- sank9
- sans5
- saps7
- sash6
- sass4
- sate4
- sati4
- saul6
- sawn8
- saws7
- says6
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scot7
- scud9
- scum11
- scup11
- scut8
- seas4
- seat4
- secs7
- sect7
- sent5
- seta4
- sets4
- shat6
- shun8
- shut7
- sics7
- sins5
- sits4
- skas8
- skat8
- skua9
- slat5
- slut6
- smut8
- snag7
- snap8
- snaw8
- snit5
- snot5
- snub9
- snug8
- sons5
- sots4
- sous5
- span8
- spas7
- spat7
- spun9
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stoa4
- stub8
- stud6
- stum8
- stun6
- suba8
- subs8
- such10
- suck12
- suds6
- sues5
- suet5
- suit5
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- sura5
- suss5
- swan8
- swat7
- sync10
- tabs7
- tabu8
- tace7
- tach9
- tack11
- taco7
- tact7
- tads5
- tags6
- tain5
- taka8
- tala5
- talc8
- tams7
- tang7
- tank9
- tans5
- taos4
- tapa7
- taps7
- tarn5
- tars4
- task8
- tass4
- tats4
- taus5
- taut5
- tavs8
- taws7
- taxa11
- teas4
- tens5
- than7
- thus7
- tics7
- tins5
- tons5
- toss4
- tsar4
- tsks8
- tuba8
- tubs8
- tuck12
- tufa8
- tugs7
- tuis5
- tuna6
- tune6
- tung8
- tuns6
- tups8
- turn6
- tush7
- tusk9
- tuts5
- twas7
- ulan7
- ulna7
- unai6
- unau7
- unci9
- unco9
- unit6
- unto6
- upas8
- urns6
- ursa5
- uses5
- utas5
- vacs11
- vans9
- vasa8
- vast8
- vats8
- vatu9
- vaus9
- wans8
- want8
- wast7
- wats7
- wuss8
- yuan8
- yuca10