alfa alfa no alfa beta no beta alfa yes beta beta no Alfa alfa no Alfa beta no Beta alfa no Beta beta no alfa Alfa yes alfa Beta yes beta Alfa yes beta Beta yes "alfa 1" "alfa 1" no "alfa 1" "beta 2" no "beta 2" "alfa 1" yes "beta 2" "beta 2" no "Alfa 1" "alfa 1" no "Alfa 1" "beta 2" no "Beta 2" "alfa 1" no "Beta 2" "beta 2" no "alfa 1" "Alfa 1" yes "alfa 1" "Beta 2" yes "beta 2" "Alfa 1" yes "beta 2" "Beta 2" yes