4 letters
- shit6
- shot6
- shri6
- shun8
- shut7
- sinh7
- sith6
- snit5
- snot5
- soar4
- sora4
- sori4
- sorn5
- sort4
- soth6
- sour5
- soya6
- star4
- stay6
- stir4
- stoa4
- stun6
- such10
- suit5
- sura5
- sync10
- tach9
- taco7
- tahr6
- tain5
- tans5
- taos4
- tarn5
- taro4
- tars4
- taus5
- than7
- thin7
- thio6
- thir6
- this6
- thou7
- thro6
- thru7
- thus7
- tics7
- tins5
- tiny7
- tiro4
- tons5
- tony7
- tora4
- torc7
- tori4
- torn5
- tors4
- tory6
- tosh6
- tour5
- toys6
- tray6
- trio4
- troy6
- tsar4
- tuis5
- tuna6
- tuns6
- turn6
- tush7
- tyin7
- tyro6
- unai6
- unci9
- unco9
- unit6
- unto6
- uric8
- urns6
- ursa5
- utas5
- yarn7
- yins7
- yoni7
- your7
- yuan8
- yuca10
- yuch12
- yurt7