>>111492043Exposure to what each letter is assigned to.
F,D,C,B,A,S's are from grades and ranks.
People like Alex, Alexander, Richard, Virgil. People like Billy, Danny, Chris, Jimmy.
Flowers-name association like Lilly. Using "la la la" to practice sing.
Zero, Xero, Agent X.
Millennial use of Xtreme, ZX, DX, XD, XY. ZXY being mathematical coordinates and being at the near end of the alphabet.
Also my wild yet derivate imagination.
A - to top ranks
R - to successful nerds
S - sleek and overly competent, above the top rank
L to beauty, light, singing, flowers, grace.
V to villainous, thoughtful, smooth, smart.