In this game of Letter Cubes, each word of one to four letters in uppercase below are used. Except for the letters "Q" and "X", a different letter of the alphabet is on each face of each of the four cubes.

Can you identify the six letters on each cube?

FOR EACH WORD A CUBE IS USED JUST ONCE:
FORM, GAZE, HACK, HOLE, LAZY, LIMP, SING AND VENT