Dog (repeat)
Dog Cat (repeat)
Dog Cat Mouse (repeat)
Froggie (repeat)
Itsy Bitsie Tiny Winy Little Green Frogie (repeat)
Jump Jump Jump Little Froggie (repeat)
Gobble Up All Those Worms and Spiders (repeat)
Fleas and Flies Scrum Diddilichus (repeat)
Ribbit ribbit ribbit ribbit croak (repeat)
For each verse, the leader sings the verse, then everyone repeats after him/her. Repeat the song faster and faster until you can't anymore.