There was a girl called Tu...

Me and my little sister just came up with the silliest thing. If you can say this with no mistakes and without laughing then it's 10 points to Gryffindor...

There was a girl called Tu, who loved to count to two.
To count to two was what Tu loved to do.
Tu had a brother called Du. Du loved goo.
To count to two and look at goo was what Tu and Du loved to do.

Their mum was Bu. Bu loved the zoo.

To count to two, look at goo and go to the zoo was what Tu, Du and Bu loved to do.

Dad was Nu. Nu loved to queue.

To count to two, look at goo, go to the zoo and queue was what Tu, Du, Bu and Nu loved to do.

Cousin Ru loved kung fu.

To count to two, look at goo, go to the zoo, queue and do kung fu was what Tu, Du, Bu, Nu and Ru loved to do.

Their cow, Shu, loved to moo.

To count to two, look at goo, go to the zoo, queue, do kung fu and moo was what Tu, Du, Bu, Nu, Ru and Shu loved to do.

Grandma Wu loved to look at you.

To count to two, look at goo, go to the zoo, queue, do kung fu, moo and look at you was what Tu, Du, Bu, Nu, Ru, Shu and Wu loved to do.

Grandpa Yu loved sudoku.

To count to two, look at goo, go to the zoo, queue, do kung fu, moo, look at you and play sudoku was what Tu, Du, Bu, Nu, Ru, Shu, Wu and Yu loved to do.

Their uncle Achu loved to play with glue.

To count to two, look at goo, go to the zoo, queue, do kung fu, moo, look at you, play sudoku and play with glue was what Tu, Du, Bu, Nu, Ru, Shu, Wu, Yu and Achu loved to do.

Their auntie Kwu had more tastes - she loved a hiaku, to play Wii U and lasso.

To count to two, look at goo, go to the zoo, queue, do kung fu, moo, look at you, play sudoku, play with glue, hiaku, play Wii U and lasso was what Tu, Du, Bu, Nu, Ru, Shu, Wu, Yu, Achu and Kwu loved to do.

Guess what their surname was... it was Youhu!

To count to two, look at goo, go to the zoo, queue, do kung fu, moo, look at you, play sudoku, play with glue, hiaku, play Wii U and lasso was what Tu Youhu, Du Youhu, Bu Youhu, Nu Youhu, Ru Youhu, Shu Youhu, Wu Youhu, Yu Youhu, Achu Youhu and Kwu Youhu loved to do.