4 letters
- spic10
- spik11
- spin8
- spit7
- spiv11
- spud9
- suck12
- sulk10
- swap10
- syli7
- tack11
- tads5
- tail5
- talc8
- tali5
- talk9
- taps7
- task8
- tick11
- tics7
- tiki8
- tils5
- tipi7
- tips7
- upas8
- vacs11
- vail9
- vial9
- visa8
- wack14
- wadi8
- wads8
- wail8
- walk12
- waps10
- wasp10
- wick14
- wild9
- wisp10
- yack13
- yaks10
- yald8
- yaps9
- yids7
- yips9
- zaps16
- zips16