F like For what ? (since : no need to write, in a train or elsewhere ; everything has been written.)
F like For sure.
F like Fun... (why not ?)
F like Finding the curtains down ...
F like Falling in Nureyev's arms (when you wanted to meet Irving Penn).
F like Frankly... (do you need an answer ?)
F like Full word : "Theory" (...almost)
F like Full stop.
F like Fitzgerald (invit' For 2... )
F like Fair enough (Lucky you).