4 letters
- soot4
- soph9
- sora4
- sorn5
- sort4
- soth6
- soup8
- sour5
- span8
- spar7
- spat7
- spot7
- spun9
- spur8
- star4
- stoa4
- stop7
- stun6
- such10
- sura5
- tach9
- taco7
- tahr6
- tans5
- taos4
- tapa7
- taps7
- tarn5
- taro4
- tarp7
- tars4
- taus5
- taxa11
- than7
- thou7
- thro6
- thru7
- thus7
- tons5
- toon5
- toph9
- tops7
- tora4
- torc7
- torn5
- toro4
- tors4
- tosh6
- tour5
- trap7
- trop7
- tsar4
- tuna6
- tuns6
- tups8
- turn6
- tush7
- unco9
- unto6
- upas8
- upon9
- urns6
- ursa5
- utas5