Mixed up Alphabet

Y  is a crooked letter.
Z  is no better.
I   stands up straight.
L  Len  is his mate.
O  is perfectly round.
M  makes a nice sound.
E   is the end of time and space.
P   is the start of a very nice place.
D  is for dancing high on my toes.
F  is for the freckle on the end of my nose.
N  stands for naughty when I'm sent to my room.
B  is for brush and also for broom.
T  is a drink that my mummy likes.
C  is for country rides on our bikes
J  is for jumping high as can be.
H  is for hiding behind a tree.
R  is for running to the top of the hill.
S  is for standing perfectly still.
Q  is for "quick let's hurry along."
W  is for words you find in a song.
U  is for umbrella that goes up when it's wet.
K  is for kitten Daddy bought for a pet.
X  is for x- rays when I broke my arm.
A  is for animals you find on a farm.

There's two letters left can you find them for me?
The answer of course is letters V and G.