/d/ example, need sounds like neat
/z/ example, was sounds like wass
/g/ example, big sounds like bick
/b/ example, web sounds like wep
/dʒ/ example, edge sounds like etch
/v/ example, have sounds like half
To correct this error pattern, practice 2 word phrases, linking the final voiced consonant to the next word. Keep your voice going through the phrase, with little or no break between the words.
For example, try these phrases:
have it
leave it
move it
need it
read it
was it
is it
the edge of
the judge of
a bag of
a leg up