Create popups when mouse hovers over cell

Hello to all kindly help me i'm newbie in macros please help me out. I want popup for certain fields which display certain values for that..

for ex
A1 contains Jan
A2 contains Feb
A3 contains Mar

what i want is to show popup if i move my mouse on A1 - JAN it shows A1,A2,A3,A4 etc

same goes with other fields

anyone please help me out.

Thanks in advance