A is for Apple (with an I-O-U),
B is for BBC,
C is for Criminals (Sherlock catches a lot),
D is for Domestic, you see.
E is for Everything (must be examined),
F's for the Fall, when he lied,
G is for Greg, Lestrade likes to be called,
H is for "HOUND in the valley," he cried.
I is for 'In it', as 'lock always is,
J is for John, Jars of Jam,
K is for Kids- will the Watsons have some?-
L is for Life on the Lam.
M's for Magnussen, Moriarty, and more,
N is for Not our division,
O is Operation (that's from His Last Vow)
P is Phone- John's first decision.
Q is for Queen, as Mycroft gets called,
R's for the Richenbach,
S is for Sherlock Holmes (William Scott)
T is for Talk (which 'lock does quite a lot).
U is Umbrella, Mycroft's calling card,
V is Sherlock's violin,
W is for Watson, as well as 'Where's John?'
X... X-Ray? Well, the doctor is in.
Y is for "Yes, do shut up," Holmes has said. "Because you've gone on far too long."
Z is for Zed- the final and last- And thus we shall here end this song.