"The Word Is - Hugga Mugga Chugga Lugga Humbugga Boom Chit" issued on Trailer 1971 (which means it's now probably locked in a Harrogate cupboad.

Words and music are in the songbook "That's not the way it's got to be" (Sing publications).

I wouldn't call William a 'coward' but a decent, gentle human being coerced into battle by his family:

William for his gallantry
Received the posthumous VC
Ma and Pa were overcome with pride
So we'll leave them there alone
Regard these words on Will's headstone
'William lived for love, for love he died'.