4 letters
- sunk10
- sura5
- swab10
- swan8
- sync10
- tabs7
- tack11
- tain5
- tank9
- tans5
- tarn5
- tars4
- task8
- tick11
- tics7
- tiki8
- tins5
- tsar4
- unai6
- unci9
- urbs8
- uric8
- urns6
- ursa5
- vacs11
- vain9
- vair8
- vans9
- vars8
- vina9
- visa8
- wabs10
- wack14
- wain8
- wair7
- wans8
- wark11
- warn8
- wars7
- wick14
- wink12
- wins8
- yack13
- yaks10
- yank11
- yarn7
- yins7
- zinc17
- zins14