Sketch the pupils, irises, and eyelids with J-shapes and short curved lines. Form the nostrils with a Y-shape connected to thin small ovals and a curved line. Create the mouth with two parallel J-shapes.
Use a curved line in a squared U-shape for the collar. Draw U-shapes, V-shapes, and a curved Y-shape for the paws. Shape the back and chest with a U-shape and odd Y-shapes.