Clear this solution

Abor
Abort
Airt
Arbor
Bait
Bari
Biota
Birr
Boar
Boat
Bora
Bort
Bota
Brat
Bravo
Briar
Brio
Iota
Obit
Oita
Orbit
Ratio
Riot
Roar
Rota
Tabi
Tabor
Taro
Tiro
Tora
Tori
Torr
Trio