My (relatively) middle England voice gets around all of these fine EXCEPT that bloody:
I wish to wash my Irish wristwatchI can only do it pausing before wristwatch!!! ARGH!
Tina: I work in essex and have plenty of essex accents to contend with in my vocal booth. Or should that be "Boof"
hehehe
A trick for your "Cheap Sheep Soup"
Make a popping "P" at the end of each work. Voila! That should solve it.
The Essex accent tends to swallow consonants whole. Harlow is "Arrrlow". Hampstead is "Ammpst'd".
Put them back in and you'll be gravy guv'na innit.