My new favorite Scrabble Word and Witty Tidbit

UT -- the syllable once generally used for the first tone or keynote of a scale and sometimes for the tone C: now commonly superseded by do. [Origin: 1275–1325; ME; see gamut]


GAMUT --
1.the entire scale or range: the gamut of dramatic emotion from grief to joy.
2. Music.
a. the whole series of recognized musical notes.
b. the major scale.
[Origin: 1425–75; late ME re, mi, fa, sol, la, si) being named from a Latin hymn to St. John the Baptist: Ut queant laxis resonare fibris. Mira gestorum famuli tuorum, Solve polluti labii reatum, Sancte Iohannes]