Couldn't get in earlier, but here you go.

Comisiwn Coedwigaeth
Cymerwch Ofal
Peidiwch Cynneu
Ta^n   

Forestry Commission
Take Care
Do not light
fire.

COH mish ioon COID wig eth
cuy MER wch   OH val
PIDE ee-ooch CUH nie
Taaan

... remembering, of course, that the ch is like 'Bach' in Johann Sebastian.

So ... you're singing this? OK - I guess it scans. Kinda. Haiku-ish.

siân