4 letters
- sops7
- sora4
- souk9
- soul6
- soup8
- sour5
- sous5
- soya6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spot7
- spud9
- spue8
- spun9
- spur8
- stoa4
- stop7
- suba8
- sumo8
- sump11
- supe8
- sups8
- sura5
- swap10
- swop10
- taos4
- tapa7
- taps7
- taus5
- tops7
- tups8
- udos6
- umps11
- upas8
- updo9
- upon9
- ursa5
- utas5
- vasa8
- vaus9
- waps10
- wasp10
- wops10
- yaps9
- yaup10
- yups10
- zaps16