British English, it sounds like this: 

Can, can. can. American English sounds like this: 

Can. can. British: Can 

American English: Can Can.  

We relax the back of the tongue,  we get an uh sound in there. 

Can

But most of the time,  

we take the vowel out completely and say can. We do that in British English and American  

English. I can try. 

I can do that.

Can