4 letters
- spun9
- stab7
- stag6
- stub8
- stun6
- suba8
- subs8
- sugh9
- suit5
- sung8
- sunk10
- sunn7
- suns6
- sura5
- swab10
- swag9
- swan8
- swig9
- tabs7
- tabu8
- tags6
- tain5
- tang7
- tans5
- taus5
- ting7
- tins5
- tuba8
- tubs8
- tugs7
- tuis5
- tuna6
- tung8
- tuns6
- ughs9
- ulan7
- ulna7
- unai6
- unau7
- unbe9
- unci9
- unit6
- upas8
- urbs8
- urns6
- ursa5
- utas5
- vagi10
- vain9
- vang11
- vans9
- vaus9
- viga10
- vigs10
- vina9
- visa8
- vugs11
- wabs10
- wags9
- wain8
- wans8
- wigs9
- wing10
- wins8
- yagi8
- yang9
- yins7
- yuan8
- yuga9
- zags15
- zigs15
- zing16
- zins14