Which boy name is better?

I am seven months pregnant with our first baby and recently we found out the gender of baby. it is male so we have picked out some names but we are not sure which one is the right one for my baby. It has to be sound nice and flows also he won't get bullied over the name. Alexander James Billowitz (AJ) or... show more I am seven months pregnant with our first baby and recently we found out the gender of baby. it is male so we have picked out some names but we are not sure which one is the right one for my baby. It has to be sound nice and flows also he won't get bullied over the name.

Alexander James Billowitz (AJ) or (ALEX)
Matthew Austin Billowitz (MATT)
Noah James Billowitz
Nolan Andrew Billowitz
Tyler Jay Billowitz (TY)
Dylan Michael Billowitz (DYL) or (DY)
Zachary Ryder Billowitz (ZACH)
Riley Jack Billowitz
Alexander Jack Billowitz (AJ) or (ALEX)
Rylan Jack Billowitz (RYAN)
Tyler Jack Billowitz (TY)
Hunter Gabriel Billowitz
Isaac Gabriel Billowitz
those ( ) are the nicknames
Update: Matthew Joseph Billowitz (MATT) ?
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