4 letters
- rule6
- ruly8
- rune6
- rung8
- runs6
- runt6
- rust5
- ruth7
- ruts5
- salt5
- saul6
- slat5
- slur6
- slut6
- star4
- stun6
- sulu7
- sura5
- tabu8
- tael5
- tahr6
- tail5
- tain5
- tala5
- talc8
- tale5
- tali5
- talk9
- tall6
- tang7
- tank9
- tans5
- tare4
- tarn5
- taro4
- tarp7
- tars4
- tart4
- taus5
- taut5
- teal5
- tear4
- tela5
- tern5
- than7
- thru7
- tirl5
- tola5
- tolu6
- tora4
- torn5
- torr4
- tour5
- trad5
- tram7
- trap7
- tray6
- true5
- trug7
- tsar4
- tuba8
- tufa8
- tule6
- tuna6
- tune6
- tung8
- tuns6
- turd6
- turf8
- turk9
- turn6
- tutu6
- tzar13
- ulan7
- ulna7
- ulus7
- ulva10
- unai6
- unau7
- unit6
- unto6
- urea5
- urns6
- ursa5
- urus6
- utas5
- vatu9
- want8
- warn8
- wart7
- waul9
- waur8
- yarn7
- yuan8
- yurt7