Squishy Kawaii 3D Letters

3d squishy kawaii letters from {argument name="letters" default="A to Z"}, {argument name="theme" default="candyland"} theme, glossy pastel colors, soft rounded shapes like marshmallows and gummies, each letter made of different sweets such as lollipops, jelly beans, cotton candy, and chocolate, arranged in alphabetical order on a {argument name="background" default="plain blank white background"}, soft studio lighting, high-resolution, ultra-cute and whimsical style