In which two formats can the IPv$6$ address fd $15$:$0$d b$8$:$0000$:$0000$:$0700$:$0003$:$400$F:$572$B be written? $($Choose two$)$ a$.$ fd$15$:db$8$:$0$::$700$:$3$:$4$F:$527$B b$.$ fd$15$:$0$db$8$:$0000$:$0000$:$700$:$3$:$400$F:$527$B c$.$ fd$15$:db$8$::$700$:$3$:$400$F:$572$B d$.$ fd $15$::db$8$::$700$:$3$:$400$F:$527$B e$.$ fd$15$:$0$db$8$::$7$:$3$:$4$F:$527$B