My first is in sea but not in the ocean my second is in braid but no in blade. My third is in liver but not in shiver. my fourth is in vile but not in smile. my fifth is in blackheart but not in black Bart. my last is in crow but not in cow.
The trick is to find the letter in the first word of the pair that is not in the second. It does not matter if the second does not contain letters in it that are not in the forst.
