5 letters
- shirk11
- shirr7
- shirt7
- shorn8
- shris7
- shrub11
- shrug10
- shuck15
- shuln10
- shuns9
- shunt9
- sieur6
- since9
- sinhs8
- sinus7
- siren6
- sirup9
- snick13
- snuck14
- sonic9
- spurn10
- stich10
- sucre9
- suing9
- suint7
- sulci10
- surah8
- sushi8
- synch13
- thins8
- tunic10
- turns7
- unais7
- uncia10
- uncos10
- uncus11
- unhip12
- units7
- unrig9
- unrip10
- ureic9
- urine7
- usher8
- using9
- virus10
- whins11
- whirs10
- winch14
- zincs18