F*N = perfunctory
F*O = affront
F*P - fops
One of my favorite Simpsons sight gags: http://www.uloc.de/screenshots/f/fabf06_43_fops_dandies.jpg
F*Q = faqir
F*R = referee
F*S = fast
F*T = cafeteria
F*U - fruit
F*V = five
F*W = software
F*X: affix
F*Y - Fayetteville
F*Z = fez
alternative, non-proper noun F*Y = stiffly
G*A - grain
GB - Legible
G*C = paraplegic
G*D - rigid
G*E = beagle
G*F = gigafaraday
GāG gaggle