Possibly the letters with no lines of symmetry.
g.
There are many ways to solve different maths codes. some may work with numbers turning into letters others may work with letters turning into different letters. some codes may have a letter 3 letters after it so say if the code was; ALD. 3 letters after A is D 3 letters after L is O and 3 letters after D is G so the word would spell "dog".
If you mean d*r = r*d (where * means multiply_ then it is the commutative property.
Only 2: CD and DC.
BSME-1C diyo makita ? tanong niyo saken :D -VHON
D
Next three letters are: e n d
K - The pattern is to skip one letter of the alphabet in between each - between D and F there would usually be a "D", between F and H a "G" and so on.
The series alternates between letters from the beginning of the alphabet and letters from the end, specifically pairing 'a' with 'z', 'b' with 'y', 'c' with 'x', and 'd' with 'w'. Following this pattern, after 'd', the next letter should be 'w'. Hence, the next letter in the series is 'w'.
y....all others come just two letters after every vovels..
H & I
dynasty, drafty,
The next group of letters in the series is "on." The pattern involves skipping one letter between each pair: b (skip c) d, e (skip f) g, h (skip i) j, k (skip l) m. Following this pattern, after "k" and "m," the next letters are "o" (skip n) and "n."
The series appears to be following a pattern where the letters are increasing in alphabetical order, skipping some letters. The pattern is A (skipping B) D (skipping E, F, G, H, I, J, K, L, M, N) O (skipping P) Q. Therefore, the next letter in the series should be R.
e
g.
grape