What does H stand for?

What does H mean?

H	Humility Community » Religion
H	Horatio Miscellaneous » Names and Nicknames
H	Hitter Miscellaneous » Unclassified
H	Homocysteine Miscellaneous » Unclassified
H	Hilly Academic & Science » Geology
H	Harrier Miscellaneous » Unclassified
H	The Hogs Community » Sports
H	Halcyon Miscellaneous » Unclassified
H	Haploid Medical » Laboratory
H	Hypocrite Miscellaneous » Unclassified
H	Hlas Miscellaneous » Unclassified
H	Huggable Internet » Chat
H	Hundredths Miscellaneous » Unclassified
H	Heman Miscellaneous » Unclassified
H	Hicri International » Turkish
H	Hebrew Community » Religion
H	Harpie Miscellaneous » Unclassified
H	Haahaa Miscellaneous » Unclassified
H	Hucking Miscellaneous » Unclassified
H	Hocey Miscellaneous » Unclassified
H	Herschels Miscellaneous » Unclassified
H	Hematachometer Medical » Laboratory
H	Hamming Academic & Science » Mathematics
H	Harry Miscellaneous » Names and Nicknames
H	Henry Miscellaneous » Names and Nicknames