Each planet in Rocket Spelling concludes with some high-frequency words. These are often words that don't otherwise fit a pattern, such as rule-breakers like the or of.
Because there's not a general pattern being taught within high-frequency levels, there's no instructional video for this type of level. That having been said, the words found in these levels are absolutely crucial!
This level kicks things off with eight two-letter words plus the extremely common words and & the.