5 letters
- roups9
- roust6
- routs6
- ruins7
- runic10
- runts7
- rutin7
- saint6
- santo6
- sapor8
- sarin6
- satin6
- scant9
- scarf11
- scarp11
- scart8
- scaup12
- scaur9
- scion9
- scorn9
- scour9
- scout9
- scrap11
- scrip11
- scurf12
- scuta9
- sirup9
- sitar5
- situp9
- snafu10
- snort6
- snout7
- sofar8
- softa8
- sonar6
- sonic9
- spait8
- spica11
- spirt8
- sport8
- spout9
- sprat8
- sprit8
- spurn10
- spurt9
- sputa9
- stain6
- stair5
- stirp8
- stoai5
- stoic8
- stoup9
- stour6
- strap8
- stria5
- strip8
- strop8
- stupa9
- suint7
- supra9
- sutra6
- tacos8
- tains6
- tapir8
- tapis8
- tarns6
- taroc8
- taros5
- tarps8
- tarsi5
- tipis8
- tiros5
- tofus9
- tonic9
- tonus7
- topic11
- topis8
- toras5
- torcs8
- toric8
- torii5
- torsi5
- torus6
- tours6
- train6
- trans6
- traps8
- triac8
- trios5
- trips8
- trois5
- trona6
- tufas9
- tunas7
- tunic10
- turfs9
- turns7
- turps9
- unais7
- unapt10
- uncap13
- uncia10
- uncos10
- unfit10
- units7
- unrip10