4 letters
- snub9
- snug8
- song7
- sons5
- sous5
- spic10
- spin8
- spun9
- sris4
- stun6
- subs8
- such10
- suck12
- suds6
- sues5
- sugh9
- suit5
- sulu7
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- suss5
- swig9
- sync10
- tics7
- ting7
- tins5
- tugs7
- tuis5
- tung8
- tuns6
- ughs9
- ulus7
- unai6
- unau7
- unci9
- unco9
- unit6
- uric8
- urns6
- urus6
- uses5
- vigs10
- vugs11
- wigs9
- wing10
- wins8
- wiss7
- wuss8
- yins7
- zigs15
- zinc17
- zing16
- zins14