Your favourite word combo.
Supercalifragilisticexpialidocious floccinaucinihilipilification antidisestablishmentarianism hippopotomonstrosesquippedaliophobia pneumonoultramicroscopicsilicovolcanoeconiosis Llanfairpwllgwyngllgogerychwyrndrobwllllantysiliogogogoch is my first word combo!