Write the following statements in symbolic form using the symbols $,vv,$ and ${?}^{{?}^{?}}$ and the indicated letters to represent component statements.

Let $h$ represent the statement "John is healthy," $w$ represent the statement "John is wealthy," and $s$ represent the statement "John is wise."

$($a$)$ John is healthy and wealthy but not wise.

$($b$)$ John is not wealthy but he is healthy and wise.

$($c$)$ John is neither healthy, wealthy, nor wise.

$($d$)$ John is neither wealthy nor wise, but he is healthy.