fix pool issue bug

wordle

@@ -327,7 +327,7 @@ function check_guess() {
       YELLOWS[$_row,$c]="${_char}"  # stores all yellow from all rounds
       BOARD[$_row,$c]="${YELLOW}${BOLD}${LETTER} ${_char} ${UNBOLD}"
     fi
-
+    [[ "${ANSWER}" =~ ${_char} ]] && continue
     [[ " ${yellows[*]} " =~ ${_char} ]] && continue
     [[ " ${greens[*]} " =~ ${_char} ]] && continue
     POOL="${POOL/${_char}/_}"