4 letters
- seta4
- sets4
- sews7
- shea6
- shes6
- shul8
- sial5
- sibb10
- sibs7
- skas8
- skua9
- slab8
- slag7
- slam8
- slap8
- slat5
- slaw8
- slay7
- sled6
- slew8
- slob8
- sloe5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- snub9
- sobs7
- sola5
- sole5
- sols5
- soul6
- sous5
- spae7
- spas7
- spue8
- stab7
- stub8
- suba8
- subs8
- suds6
- sued6
- suer5
- sues5
- suet5
- sulk10
- sulu7
- sums8
- suns6
- supe8
- sups8
- suqs14
- sura5
- sure5
- suss5
- swab10
- tabs7
- tabu8
- tael5
- tale5
- tass4
- taus5
- teal5
- teas4
- tela5
- tels5
- tuba8
- tube8
- tubs8
- tule6
- ukes9
- ulan7
- ulna7
- ulus7
- ulva10
- unbe9
- upas8
- urbs8
- urea5
- ursa5
- used6
- user5
- uses5
- utas5
- uvea9
- vale9
- vase8
- vaus9
- veal9
- vela9
- wabs10
- waes7
- wale8
- waul9
- weal8
- webs10
- wuss8
- yeas6
- yule8
- zeal14
- zebu17