4 letters
- semi7
- shag8
- sham9
- shim9
- shin7
- shun8
- sial5
- sibs7
- sics7
- sigh8
- sign7
- sima7
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sips7
- sirs4
- sits4
- skag10
- skas8
- skim11
- skin9
- skis8
- skua9
- slag7
- slam8
- slim8
- slug8
- slum9
- smit7
- smog9
- smug10
- smut8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- soma7
- song7
- sons5
- sous5
- spam10
- span8
- spas7
- spin8
- spun9
- sris4
- stag6
- stum8
- stun6
- suba8
- subs8
- suds6
- sues5
- sugh9
- suit5
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- sura5
- suss5
- swag9
- swam10
- swan8
- swig9
- swim10
- swum11
- tags6
- tain5
- tams7
- tang7
- tans5
- tass4
- taus5
- ting7
- tins5
- tugs7
- tuis5
- tuna6
- tung8
- tuns6
- ughs9
- ulan7
- ulna7
- umps11
- unai6
- unau7
- unci9
- unit6
- upas8
- urns6
- ursa5
- uses5
- utas5
- vagi10
- vain9
- vang11
- vans9
- vaus9
- viga10
- vigs10
- vims11
- vina9
- visa8
- vugs11
- wags9
- wain8
- wans8
- wigs9
- wing10
- wins8
- wiss7
- wuss8
- yagi8
- yams9
- yang9
- yins7
- yuan8
- yuga9
- zags15
- zigs15
- zing16
- zins14