4 letters
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- skin9
- skip11
- skit8
- slip8
- slit5
- smit7
- snap8
- snib8
- snip8
- snit5
- snot5
- sori4
- sorn5
- sort4
- span8
- spar7
- spat7
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spun9
- spur8
- sris4
- star4
- step7
- stir4
- stop7
- stun6
- suit5
- tain5
- tans5
- taps7
- tarn5
- tarp7
- tars4
- tens5
- tern5
- thin7
- thir6
- this6
- tics7
- tier4
- ties4
- tils5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tipi7
- tips7
- tire4
- tirl5
- tiro4
- tits4
- tons5
- topi7
- tops7
- tori4
- torn5
- tors4
- trap7
- trig6
- trim7
- trio4
- trip7
- trop7
- tsar4
- tuis5
- tuns6
- tups8
- turn6
- twin8
- tyin7
- unit6
- urns6
- wins8
- wisp10
- wist7
- wits7
- writ7
- yins7
- yips9
- zins14
- zips16
- zits13