4 letters
- phis9
- pies7
- pine8
- pins8
- pish9
- piss7
- psis7
- refs7
- reif7
- rein5
- reis4
- resh6
- rife7
- riff10
- rifs7
- rins5
- rise4
- safe7
- sain5
- sane5
- sans5
- sash6
- sass4
- seas4
- secs7
- seen5
- sees4
- segs6
- seif7
- seis4
- self8
- sels5
- semi7
- send6
- sene5
- sent5
- serf7
- sers4
- sets4
- sewn8
- sews7
- shea6
- shed7
- shes6
- shew9
- shim9
- shin7
- ship9
- shit6
- shiv10
- shoe6
- shri6
- shun8
- sibs7
- sice7
- sics7
- side5
- sift7
- sigh8
- sign7
- sike8
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- size13
- skin9
- skis8
- sned6
- snib8
- snip8
- snit5
- snye7
- sone5
- sons5
- spin8
- sris4
- sues5
- sunn7
- suns6
- suss5
- syne7
- teff10
- tens5
- then7
- thin7
- this6
- ties4
- tiff10
- tine5
- tins5
- uses5
- vein9
- vies8
- vine9
- vise8
- wens8
- when10
- whin10
- wife10
- wine8
- wins8
- wise7
- wish9
- wiss7
- yens7
- yins7
- zein14
- zins14