Find minimum word size needed to specify twenty amino acids

The minimum word size needed to specify at least twenty amino acids with only four bases (A,G,C,T) is three. What would be the minimum word size needed to specify twenty amino acids if there were only two bases available? … three bases available? … five bases available? Enter your answers as integers (e,g, 5, 10, 15) for two, three and five bases in that order in the spaces available.

"Get 15% discount on your first 3 orders with us"
Use the following coupon
"FIRST15"

Order Now