Knock KnockWho's there?Anka!Anka who?Anka the ship!Knock KnockWho's there?Ankansas!Ankansas who?Ankansas though any piece of wood!Knock KnockWho's there?Ankara!Ankara who?Ankara went off the cliff!Knock KnockWho's there?Ann!Ann who?Anndromeda Strain!Knock KnockWho's there?Anna!Anna who?Anna one, anna two...!