only bold for letters

wordle

@@ -9,6 +9,7 @@ declare -gr GREEN=$'\e[48;5;10m'
 declare -gr YELLOW=$'\e[48;5;3m'
 declare -gr RESET=$'\e[0m'
 declare -gr BOLD=$'\e[1m'
+declare -gr UNBOLD=$'\e[22m'
 declare -gr CLEAR_UP1=$'\e[1F\e[K'
 declare -gr CLEAR_LINE=$'\e[K'
 declare -gr CLEAR_2END=$'\e[0K'
@@ -275,13 +276,13 @@ function check_guess() {
   done
 
   for (( c=0; c<WIDTH; c++ )); do
-    BOARD[$_row,$c]="${BOLD}${LETTER}${GREY} ${_guess:$c:1} "
+    BOARD[$_row,$c]="${BOLD}${LETTER}${GREY} ${BOLD}${_guess:$c:1}${UNBOLD} "
 
     declare _char=${_guess:$c:1}
 
     if [[ "${_char}" == "${_answer:$c:1}" ]]; then
       greens[c]="${_char}"
-      BOARD[$_row,$c]="${BOLD}${LETTER}${GREEN} ${_char} "
+      BOARD[$_row,$c]="${LETTER}${GREEN} ${BOLD}${_char}${UNBOLD} "
       continue
     fi
 
@@ -289,7 +290,7 @@ function check_guess() {
       chars="${chars/${_char}/}"
       yellows[c]="${_char}"         # volatile - stores previous row yellows
       YELLOWS[$_row,$c]="${_char}"  # stores all yellow from all rounds
-      BOARD[$_row,$c]="${BOLD}${LETTER}${YELLOW} ${_char} "
+      BOARD[$_row,$c]="${LETTER}${YELLOW} ${BOLD}${_char}${UNBOLD} "
     else
       POOL="${POOL/${_char}/_}"
     fi