4 letters
- snit5
- snog7
- snub9
- snug8
- soil5
- soli5
- song7
- soul6
- soup8
- span8
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spud9
- spue8
- spun9
- spur8
- stun6
- such10
- suck12
- sugh9
- suit5
- sulk10
- sulu7
- sump11
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- swig9
- syli7
- sync10
- tics7
- tils5
- ting7
- tins5
- tips7
- tugs7
- tuis5
- tung8
- tuns6
- tups8
- ughs9
- ugly10
- ulan7
- ulna7
- ulus7
- umps11
- unai6
- unci9
- unco9
- unit6
- upas8
- upon9
- uric8
- urns6
- vigs10
- vugs11
- wigs9
- wing10
- wins8
- wisp10
- yins7
- yips9
- yups10
- zigs15
- zinc17
- zing16
- zins14
- zips16