i think one of the easiest words to rhyme are those ending with -ice.

It wasn't very nice,
discovering some head lice,
scampering about like mice.

They played a game of dice,
making the poor fool
snow ice.

er. haha ok. i swear i had something better thought up in my head b4 i slept buit i cant for the life of me recall what it was 'cept it involved lice and dandruff... bah

-poe