4 letters
- sibb10
- rebs7
- refs7
- reif7
- rein5
- reis4
- resh6
- rhos6
- ribs7
- rife7
- rifs7
- rins5
- rise4
- robe7
- robs7
- roes4
- rose4
- serf7
- sers4
- shri6
- sire4
- sirs4
- sorb7
- sore4
- sori4
- sorn5
- sris4
- sent5
- sets4
- shit6
- shot6
- sift7
- site4
- sith6
- sits4
- snit5
- snot5
- soft7
- soth6
- sots4
- stob7
- tens5
- then7
- thin7
- thio6
- this6
- ties4
- tine5
- tins5
- toes4
- tone5
- tons5
- tosh6
- toss4
b -
r -
t -