4 letters
- sibs7
- sigh8
- sign7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sizy15
- skin9
- slub9
- slug8
- smug10
- snag7
- snib8
- snip8
- snit5
- snob8
- snog7
- snub9
- snug8
- snye7
- song7
- spin8
- spun9
- stub8
- stun6
- suba8
- subs8
- sugh9
- suit5
- sung8
- sunk10
- sunn7
- suns6
- swig9
- sybo9
- syli7
- sync10
- syne7
- ting7
- tins5
- tiny7
- tubs8
- tugs7
- tuis5
- tung8
- tuns6
- tyin7
- ughs9
- ugly10
- unai6
- unbe9
- unci9
- undy9
- unit6
- upby13
- urbs8
- urns6
- vigs10
- viny11
- vugs11
- wigs9
- wing10
- wins8
- winy10
- wyns10
- yagi8
- yang9
- yens7
- yids7
- yins7
- yips9
- yobs9
- yogi8
- yoni7
- yuan8
- yuga9
- yuks11
- yups10
- ywis9
- zigs15
- zing16
- zins14