PLAY
STOP
CLEAR
RESET
SPEED:
OCTAVE:
WAVE:
SAWTOOTH
SINE
SQUARE
TRIANGLE
REPEAT:
A a B bC c D d E eF f G g H h I iJ j K k L lM m N n O o P pQ q R r S sT t U u V v W wX x Y y Z z ABCDEFG HIJKLMN OPQRSTU VWXYZ