Knock KnockWho's there?Heart!Heart who?Heart who hear you, speak louder!Knock KnockWho's there?Heaven!Heaven who?Heaven seen you in ages!Knock KnockWho's there?Heidi!Heidi who?Heidi-clare war on you!Knock KnockWho's there?Heifer!Heifer who?Heifer cow is better than none!Knock KnockWho's there?Helena!Helana who?Helena hand basket!