4 letters
- sign7
- sike8
- sild6
- silk9
- silt5
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- site4
- sith6
- sits4
- skag10
- skas8
- skat8
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- skua9
- slat5
- slid6
- slit5
- smit7
- snag7
- snap8
- snaw8
- sned6
- snib8
- snip8
- snit5
- snot5
- soak8
- soda5
- span8
- spat7
- spik11
- spin8
- spit7
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stir4
- stoa4
- stud6
- stun6
- suit5
- sunk10
- sunn7
- swan8
- swat7
- tabs7
- tack11
- tads5
- tags6
- tail5
- tain5
- taka8
- take8
- tali5
- talk9
- tams7
- tang7
- tank9
- tans5
- taos4
- taps7
- tarn5
- tars4
- task8
- tass4
- tats4
- taus5
- tavs8
- taws7
- taxi11
- teak8
- teas4
- teds5
- tend6
- tens5
- than7
- thin7
- this6
- tick11
- tics7
- tide5
- tidy7
- tied5
- ties4
- tike8
- tiki8
- tils5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tips7
- tits4
- toad5
- tods5
- tons5
- trad5
- tsar4
- tsks8
- tuis5
- tuna6
- tuns6
- tusk9
- twas7
- twin8
- tyin7
- unai6
- unit6
- utas5
- vain9
- vans9
- vast8
- vats8
- vina9
- visa8
- vita8
- wadi8
- wads8
- wain8
- wait7
- wand9
- wans8
- want8
- wast7
- wats7
- wind9
- wink12
- wins8
- wist7
- wits7
- yaks10
- yank11
- yids7
- yins7
- zins14
- zits13