There are far more qualified folk on this forum than I to work this out, but can the schedule provided by 'Albert Hall' be covered by the following?
G-JEJX Currently undertaking training flights
G-JECY Currently at EXT (Since 07 Jan on mx before being registered 10 Feb - Not flown since)
G-JECP Currently at Wheeze since 15 Jun 20. Now in new Flybe Livery (Not yet registered)