Fair to say that BAZI's livery was little more than Britannia's base navy blue and tailfin logo crudely painted over; then BNCT and PROK were painted the same, factory fresh. Ryanair took much the same approach when it too acquired ex-Britannia 737s.
I've known how to pronounce 'Cymru' since primary school. It isn't a mouthful by any stretch of the imagination.