A dotted letter bears one or more dots in its written form, such as ب، ت، ث، ج، خ، ن or ي. An undotted letter has no dot, such as ا، ل، م، ر، س، ع، د or ك. The rule concerns whole words, not alternating individual characters.
WordClass of lettersالكرمEntirely dotlessثبتEntirely dottedاللهEntirely dotlessجيشEntirely dottedسعودكEntirely dotless
The achievement is to sustain coherent praise and a practical appeal while satisfying this severe orthographic limitation.