4 letters
- scat7
- scum11
- scut8
- sift7
- sign7
- sima7
- sing7
- smit7
- smug10
- smut8
- snag7
- snit5
- snug8
- stag6
- star4
- stir4
- stum8
- stun6
- suit5
- sung8
- sunn7
- sura5
- surf8
- tags6
- tain5
- tams7
- tang7
- tans5
- tarn5
- tars4
- taus5
- tics7
- ting7
- tins5
- tram7
- trig6
- trim7
- trug7
- tsar4
- tufa8
- tugs7
- tuis5
- tuna6
- tung8
- tuns6
- turf8
- turn6
- unai6
- unau7
- unci9
- unit6
- uric8
- urns6
- ursa5
- urus6
- utas5