Clear this solution

Abet
Abut
Anent
Ante
Aunt
Bane
Bate
Bean
Beat
Beaten
Beau
Beaut
Been
Bene
Benne
Bent
Beta
Bunt
Butane
Eaten
Enate
Etna
Nabu
Naut
Neat
Neaten
Nene
Tabu
Tuba
Tubae
Tube
Tuna
Tune
Unbent