Write the common $($not systematic$)$ name of each organic molecule. Hint: your answer should have more than one wor

$\backslash$table$[[$structure$,$name$],[,],[C{H}_3-C{H}_2-C{H}_2-C-C{H}_2-C{H}_3,$ethyl propyl ketone$],[C{H}_3-C-C{H}_3,],[O,],[O,]]$