δύναμαι I can, I am able to

 

Easy to pronounce - and to remember, "can, able to" keeps an a in ALL the endings:

Compare:

 Present 
wants to Who? is able to
βούλ ομαι  I δύν αμαι 
βούλ ει you (sg) δύν ασαι 
βούλ εται     he, she, it    δύν αται 
βουλ όμεθα  we δυν άμεθα 
βούλ εσθε  you (pl) δύν ασθε 
βούλ ονται  they δύν ανται