EXECUTE each entry in the wordlist in the reverse order defined
but only as long as after EXECUTE of "word" a TRUE flag is left
on the stack. The wordlist execution is cut when a FALSE flag is seen.
(the current wordlist entry is _not_ on the stack!)
: DO-ALL-WORDS-WHILE-LOOP >R
BEGIN ?DUP WHILE
R@ EXECUTE 0= IF R>DROP DROP EXIT THEN
DUP NAME> EXECUTE