4 letters
- ruin6
- runs6
- sail5
- sain5
- sari4
- shin7
- shri6
- sial5
- sibb10
- sibs7
- sign7
- sild6
- silk9
- sill6
- silo5
- silt5
- sine5
- sing7
- sinh7
- sink9
- sins5
- sire4
- sirs4
- skin9
- slab8
- slid6
- slim8
- slip8
- slit5
- slob8
- slub9
- slur6
- snib8
- snip8
- snit5
- snob8
- snub9
- soil5
- soli5
- sorb7
- sori4
- sorn5
- spin8
- sris4
- stir4
- sunn7
- syli7
- tils5
- tins5
- tirl5
- urbs8
- urns6
- virl9
- wins8
- yins7
- zins14