Codes:

 1   - START             2   - ERMINTRUDE         3   - HELP
 4   - CRACKERS          5   - CHRISTMAS          6   - WEDDING
 7   - TROUBLE           8   - DEFENCE            9   - GRASS
 10  - BOOKCASE          11  - DISCO              12  - SHOULDERS
 13  - MONEY             14  - BLACKADDER         15  - QUEEN
 16  - EDITOR            17  - SABBATH            18  - RUSH
 19  - NEWTON            20  - APPLE              21  - GARAGE
 22  - MARION            23  - LOVES              24  - ME
 25  - GRANT             26  - SOFTWARE           27  - BIRTHDAY
 28  - PLATINUM          29  - ELECTRIC           30  - SEARCH
 31  - AIRPORT           32  - TARN               33  - MOUNTAIN
 34  - NAIL              35  - CIDER              36  - FINISHED
 37  - LOVESICK          38  - WORK               39  - PROGRAMME
 40  - TELEVISION        41  - SECRETZONE         42  - HIDESAWAY
 43  - HELLO             44  - FIREMAN            45  - DONGLE
 46  - LORRY             47  - EINSTEIN           48  - DAUGHTER