This is the heart of the resource. LETRS is famous for proving that "drill and kill" doesn't work, but "drill for skill" does. Resource List 5.3 provides 50-75 controlled words categorized by phonics feature:
If you're tasked with producing a feature for Resource List 5.3 of the LETRS manual, here are some steps you might follow: resource list 5.3 of the letrs manual
Understand the specific focus of the module or lesson that Resource List 5.3 supports. This could be related to phonics, fluency, vocabulary, comprehension, or a combination of these. This is the heart of the resource