letter	source	input	output
a	optimal	optimal.in	-
b	dice	dice.in	-
c	bugs	bugs.in	-
d	reflect	reflect.in	-
e	centauri	centauri.in	-
f	fuses	fuses.in	-
g	fastfood	fastfood.in	-
h	slides	slides.in	-
i	games	games.in	-