4 letters
- snag7
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- snye7
- soil5
- soli5
- song7
- sori4
- sorn5
- soul6
- sour5
- spin8
- spry9
- spun9
- spur8
- sris4
- stir4
- stun6
- suer5
- sugh9
- suit5
- sulk10
- sulu7
- sung8
- sunk10
- sunn7
- suns6
- sura5
- surd6
- sure5
- surf8
- swig9
- syli7
- sync10
- syne7
- tils5
- ting7
- tins5
- tiny7
- tirl5
- trig6
- trug7
- tugs7
- tuis5
- tung8
- tuns6
- turn6
- tyin7
- ughs9
- ugly10
- ulan7
- ulna7
- ulus7
- unai6
- unci9
- undy9
- unit6
- urbs8
- urds6
- urge7
- uric8
- urns6
- ursa5
- urus6
- user5
- vigs10
- viny11
- virl9
- vugs11
- wigs9
- wily10
- wing10
- wins8
- winy10
- wiry9
- wyns10
- yagi8
- yang9
- yarn7
- yens7
- yids7
- yill8
- yins7
- yips9
- yird7
- yirr6
- yogi8
- yoni7
- your7
- yuan8
- yuga9
- yuks11
- yule8
- yups10
- yurt7
- ywis9
- zigs15
- zing16
- zins14