The ornamental design for an enunciationmouthpiece, as shown and described.
FIG. 1 is a top plan view of the enunciation mouthpiece showing my new design;
FIG. 2 is a side elevation view of FIG. 1, the opposite side being a mirror image;
FIG. 3 is a front elevation view of FIG. 1;
FIG. 4 is a rear elevation view of FIG. 1; and,
FIG. 5 is a side view of FIG. 1 shown in use.
The broken line showing of the human form is included for the purpose of illustrating environment and forms no part of the claimed design.
The broken line showing immediately adjacent the shaded areas is included for the purpose of illustrating boundaries, with the broken lines and all within forming no part of the claimed design.