4 letters
- snap8
- snaw8
- snip8
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- soak8
- soap7
- soar4
- soda5
- sofa7
- soja13
- sola5
- solo5
- soma7
- some7
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sora4
- sorn5
- soth6
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- soya6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spin8
- spot7
- spud9
- spue8
- spun9
- spur8
- stoa4
- stop7
- stum8
- stun6
- suba8
- such10
- sugh9
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- sura5
- swam10
- swan8
- swap10
- swop10
- swum11
- syph11
- tamp10
- tams7
- tans5
- taos4
- taps7
- taus5
- than7
- thou7
- thus7
- toms7
- tons5
- toom7
- toon5
- toph9
- tops7
- tosh6
- tump11
- tuna6
- tuns6
- tups8
- tush7
- udos6
- ughs9
- ulan7
- ulna7
- umbo11
- umps11
- unai6
- unau7
- unco9
- undo7
- unto6
- upas8
- updo9
- upon9
- urns6
- ursa5
- utas5
- vamp14
- vans9
- vaus9
- wans8
- waps10
- wash9
- wasp10
- wham12
- whap12
- whoa9
- whom12
- whop12
- wons8
- woos7
- wops10
- yams9
- yaps9
- yaup10
- yuan8
- yups10
- zaps16
- zoom16
- zoon14
- zoos13