Lesson 18 - Introducing Y and F: Index fingers stretching up
ffff yyyy ffff yyyy ffff yyyy ffff yyyy
ffff yyyy ffff yyyy ffff yyyy ffff yyyy
fy fy fy fy
yf yf yf yf
ffff gggg hhhh yyyy pppp uuuu
guy guy guy guy gyp gyp gyp gyp
UHF UHF UHF UHF yuh yuh yuh yuh
huff huff huff huff
puff puff puff puff
puffy puffy puffy puffy puppy puppy puppy puppy