I have this question where I have to join up the name to the meaning, can someone help please?

Aprotostar A small cooling star in which fusion reactions have finished.

Bshe'll of gas A stable star using hydrogen in fusion reactions

Cnebula Gas thrown of by a star when it finishes it's red giant stage

Dmain sequence star Cloud of dust and gas

Ewhite dwarf A star that has used up most of its hydrogen and expanded greatly

F) red giant A hot cloud of gas not quite hot enough for nuclear reactions

Then I need to put the names in order. Please help quickly someone?