4 letters
- tuis5
- tump11
- tuna6
- tune6
- tung8
- tuns6
- tups8
- turn6
- tush7
- tusk9
- tuts5
- twas7
- twos7
- typo9
- udos6
- ulan7
- ulna7
- umps11
- unai6
- unau7
- unco9
- undo7
- unit6
- unto6
- upas8
- updo9
- upon9
- urns6
- ursa5
- uses5
- utas5
- vans9
- vast8
- vats8
- vatu9
- vaus9
- wans8
- want8
- waps10
- wasp10
- wast7
- wats7
- wons8
- wont8
- wops10
- wost7
- wots7
- wuss8
- yaps9
- yaup10
- yuan8
- yups10
- zaps16