Clear this solution

Alert
Alter
Ares
Arts
Aster
Earl
Ears
East
Eats
Eras
Erst
Laser
Last
Late
Later
Latter
Least
Lest
Lets
Rate
Rates
Rattle
Real
Rest
Sale
Salt
Sate
Seal
Sear
Seat
Seta
Slat
Slate
Stale
Star
Stare
Start
Startle
State
Steal
Stet
Tale
Tales
Tare
Tars
Tart
Taste
Tater
Teal
Tear
Tears
Teat
Tesla
Test
Testa
Treat
Tsar