4 letters
- sots4
- soup8
- sous5
- sows7
- soya6
- soys6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- sris4
- stay6
- stoa4
- stop7
- sumo8
- sump11
- sums8
- sups8
- swam10
- swap10
- sway9
- swim10
- swop10
- sybo9
- syce9
- syli7
- sync10
- syph11
- taco7
- tamp10
- tams7
- taos4
- taps7
- tass4
- tics7
- tips7
- toms7
- topi7
- tops7
- toss4
- toys6
- typo9
- umps11
- upas8
- vacs11
- vamp14
- vims11
- visa8
- waps10
- wasp10
- ways9
- wimp13
- wisp10
- wiss7
- wops10
- yack13
- yagi8
- yaks10
- yams9
- yaps9
- yaup10
- yawp12
- yaws9
- yays8
- yeas6
- yids7
- yins7
- yipe9
- yips9
- yobs9
- yock13
- yods7
- yoga8
- yogi8
- yoks10
- yoni7
- yows9
- yuca10
- yups10
- ywis9
- zaps16
- zips16
- zoic16