4 letters
- sins5
- sips7
- sirs4
- sits4
- skag10
- skas8
- skat8
- skeg10
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- skua9
- slag7
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snog7
- snug8
- soak8
- sock11
- song7
- sons5
- span8
- spas7
- spic10
- spik11
- spin8
- sris4
- stag6
- suck12
- sung8
- sunk10
- suns6
- swag9
- swan8
- swig9
- sync10
- tack11
- tags6
- tain5
- tang7
- tank9
- tans5
- task8
- tass4
- tick11
- tics7
- ting7
- tins5
- tsks8
- unai6
- unci9
- vacs11
- vagi10
- vain9
- vang11
- vans9
- viga10
- vigs10
- vina9
- visa8
- wack14
- wags9
- wain8
- wans8
- wick14
- wigs9
- wing10
- wink12
- wins8
- wiss7
- yack13
- yagi8
- yaks10
- yang9
- yank11
- yins7
- zags15
- zigs15
- zinc17
- zing16
- zins14