4 letters
- rein5
- rent5
- ring7
- rite4
- ruin6
- rune6
- rung8
- runt6
- ruth7
- tern5
- thir6
- thru7
- tier4
- tire4
- trig6
- true5
- trug7
- turn6
- urge7
- weir7
- wert7
- whir9
- wire7
- wren8
- writ7
- sent5
- sewn8
- shew9
- shin7
- shit6
- shun8
- shut7
- sigh8
- sign7
- sine5
- sing7
- sinh7
- site4
- sith6
- snit5
- snug8
- stew7
- stun6
- suet5
- sugh9
- suit5
- sung8
- swig9
- tegs6
- tens5
- tews7
- this6
- thus7
- ties4
- tins5
- tugs7
- tuis5
- tuns6
- tush7
- ughs9
- wens8
- west7
- wets7
- wigs9
- wins8
- wise7
- wish9
- wist7
- wits7
- whew12
r -
s -
w -