4 letters
- shad7
- shag8
- shin7
- shun8
- sial5
- side5
- sigh8
- sign7
- sild6
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- skag10
- skid9
- skin9
- skua9
- slag7
- slid6
- slug8
- smug10
- snag7
- snap8
- snaw8
- sned6
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- soda5
- song7
- span8
- spin8
- spud9
- spun9
- stag6
- stud6
- stun6
- suba8
- sudd7
- suds6
- sued6
- sugh9
- suit5
- sung8
- sunk10
- sunn7
- suns6
- suqs14
- sura5
- surd6
- swag9
- swan8
- swig9
- tads5
- tags6
- tain5
- tang7
- tans5
- taus5
- ting7
- tins5
- tugs7
- tuis5
- tuna6
- tung8
- tuns6
- udos6
- ughs9
- ulan7
- ulna7
- unai6
- unau7
- unci9
- unde7
- undo7
- undy9
- unit6
- upas8
- urds6
- urns6
- ursa5
- used6
- utas5
- vagi10
- vain9
- vang11
- vans9
- vaus9
- viga10
- vigs10
- vina9
- visa8
- vugs11
- wadi8
- wads8
- wags9
- wain8
- wand9
- wans8
- wigs9
- wind9
- wing10
- wins8
- yagi8
- yang9
- yaud8
- yids7
- yins7
- yuan8
- yuga9
- zags15
- zigs15
- zing16
- zins14