create dfas

d$.ab*+c($ Save as HW$04\_$Problem$12\_$d$.$jff $)$

e$.ab*+bc*($Save as HW$04\_$Problem$12\_$e$.$jff $)$

f$.$ a $*$bc$*+$ac$+$ ac$($ Save as HW$04\_$Problem$12\_$f$.$jff $)$

g$.$ a $*$b$*($Save as HW$04\_$Problem$12\_$g$.$jff $)$

h$.a^{*}+b^{*},($ Save as HW$04\_$Problem$12\_$h$.$jff $)$