4 letters
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sirs4
- sits4
- skag10
- skas8
- skin9
- skip11
- skis8
- skua9
- slag7
- slap8
- slip8
- slug8
- smug10
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- soap7
- song7
- sons5
- sops7
- soup8
- sous5
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spud9
- spue8
- spun9
- spur8
- sris4
- stag6
- stun6
- suba8
- subs8
- suds6
- sues5
- sugh9
- suit5
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- suqs14
- sura5
- suss5
- swag9
- swan8
- swap10
- swig9
- tags6
- tain5
- tang7
- tans5
- taps7
- tass4
- taus5
- ting7
- tins5
- tips7
- tugs7
- tuis5
- tuna6
- tung8
- tuns6
- tups8
- ughs9
- ulan7
- ulna7
- umps11
- unai6
- unau7
- unci9
- unit6
- upas8
- upon9
- urns6
- ursa5
- uses5
- utas5
- vagi10
- vain9
- vang11
- vans9
- vaus9
- viga10
- vigs10
- vina9
- visa8
- vugs11
- wags9
- wain8
- wans8
- waps10
- wasp10
- wigs9
- wing10
- wins8
- wisp10
- wiss7
- wuss8
- yagi8
- yang9
- yaps9
- yaup10
- yins7
- yips9
- yuan8
- yuga9
- yups10
- zags15
- zaps16
- zigs15
- zing16
- zins14
- zips16