4 letters
- shin7
- shri6
- sice7
- sick11
- sics7
- side5
- sign7
- sike8
- sima7
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sire4
- sirs4
- site4
- size13
- skim11
- skin9
- slim8
- smew10
- smit7
- sned6
- snib8
- snip8
- snit5
- snye7
- some7
- sone5
- sore4
- sori4
- sorn5
- spec10
- spic10
- spin8
- sris4
- stem7
- stir4
- suer5
- sure5
- swim10
- syce9
- sync10
- syne7
- tens5
- term7
- tern5
- tics7
- tier4
- ties4
- time7
- tine5
- tins5
- tire4
- trim7
- unci9
- uric8
- urns6
- user5
- vein9
- vice11
- vier8
- vies8
- vims11
- vine9
- vise8
- weir7
- wens8
- wine8
- wins8
- wire7
- wise7
- wren8
- yens7
- yins7
- zein14
- zinc17
- zins14