#picking square

Updated Image - I’m so close to a bingo guys!

STAR TREK BOLDLY BINGO

So, I’m still looking for Letter/Number combinations -  Please help me randomly pick where to go next like a true bingo caller:

Letters to Choose from: A,B,C,D,E

Numbers to Choose from: 2, 3, 4, 5, 6  

      —–(NOTICE – there is no 1 on this list)

Also, I do not need ships/characters. They have already been set up.

Already Completed Squares

·        A2, A3, A5

·        B2, B4

·        C3, C5

·        D2, D5, D6

·        E2, E3, E4

Open Squares

A: 4, 6

B: 3, 5, 6

C: 2,  6

D: 3 & 4

E: 5 & 6