4 letters
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- shul8
- shun8
- shut7
- sick11
- sift7
- sigh8
- sign7
- sike8
- silk9
- silo5
- silt5
- sine5
- sing7
- sinh7
- sink9
- sins5
- site4
- sith6
- sits4
- skat8
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- skua9
- slit5
- slot5
- slut6
- smit7
- smut8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- soak8
- sock11
- soft7
- soil5
- soke8
- soli5
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sori4
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- spik11
- spin8
- spit7
- spot7
- spun9
- stat4
- stet4
- stir4
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- such10
- suck12
- suet5
- sugh9
- suit5
- sulk10
- sumo8
- sung8
- sunk10
- sunn7
- suns6
- swot7
- tain5
- tank9
- tans5
- taos4
- task8
- tats4
- taus5
- taut5
- tens5
- tent5
- test4
- teth6
- tets4
- than7
- that6
- then7
- thin7
- thio6
- thir6
- this6
- thou7
- thro6
- thru7
- thud8
- thug9
- thus7
- tick11
- tics7
- ties4
- tike8
- tiki8
- tils5
- tilt5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tips7
- tiro4
- titi4
- tits4
- tods5
- toes4
- toft7
- tofu8
- togs6
- toil5
- toit4
- toke8
- tolu6
- toms7
- tone5
- tong7
- tons5
- tony7
- took8
- toon5
- toot4
- toph9
- topi7
- tops7
- tori4
- torn5
- tors4
- tort4
- tosh6
- toss4
- tost4
- tote4
- tots4
- tour5
- tout5
- town8
- tows7
- toys6
- trio4
- trot4
- tsks8
- tubs8
- tuck12
- tuft8
- tugs7
- tuis5
- tuna6
- tune6
- tung8
- tuns6
- tups8
- turk9
- turn6
- tush7
- tusk9