4 letters
- sone5
- song7
- sons5
- soon5
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- sots4
- soup8
- sour5
- sous5
- sown8
- sows7
- soya6
- soys6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spin8
- spot7
- spry9
- spun9
- spur8
- sris4
- star4
- stoa4
- stop7
- suns6
- sups8
- sura5
- swan8
- swap10
- swop10
- tans5
- taos4
- taps7
- tarn5
- taro4
- tarp7
- tars4
- tass4
- tons5
- tops7
- tora4
- torn5
- torr4
- tors4
- toss4
- trap7
- trop7
- tsar4
- upas8
- upon9
- urns6
- ursa5
- vans9
- vars8
- wans8
- waps10
- warn8
- warp10
- wars7
- wasp10
- wons8
- wops10
- worn8
- wrap10
- yaps9
- yarn7
- zaps16