4 letters
- sine5
- sins5
- sipe7
- sips7
- sire4
- sirs4
- site4
- sits4
- sned6
- snip8
- snit5
- spec10
- sped8
- spic10
- spin8
- spit7
- spud9
- spue8
- spun9
- spur8
- sris4
- step7
- stir4
- stud6
- stun6
- suds6
- sued6
- suer5
- sues5
- suet5
- suit5
- sunn7
- suns6
- supe8
- sups8
- surd6
- sure5
- teds5
- teed5
- teen5
- tees4
- tend6
- tens5
- tern5
- tics7
- tide5
- tied5
- tier4
- ties4
- tine5
- tins5
- tipi7
- tips7
- tire4
- tree4
- trip7
- true5
- tuis5
- tune6
- tuns6
- tups8
- turd6
- turn6
- unci9
- unde7
- unit6
- urds6
- uric8
- urns6
- used6
- user5
- uses5