so we (probably) have .. "with five dozen liquor jugs", which means we need to put the letters (and possible others) b,c,d,k,p into the first bit. I think only "ck" can follow the a in the first word, so we have:
pack/hack/rack/back my pox/cox/box with five dozen liquor jugs.
Nearest to sensible english would be:
"Pack my box with five dozen liquor jugs."
Ecoutez Zelda, unless you want to live in interesting times