4 letters
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spun9
- stoa4
- stop7
- swan8
- swap10
- swop10
- tain5
- tans5
- taos4
- tapa7
- taps7
- tins5
- tips7
- tons5
- topi7
- tops7
- unai6
- upas8
- upon9
- vain9
- vans9
- vasa8
- vina9
- vino9
- visa8
- wain8
- wans8
- waps10
- wasp10
- wino8
- wins8
- wisp10
- wons8
- wops10
- yaps9
- yins7
- yips9
- yoni7
- zaps16
- zins14
- zips16