Rule Recap:
This is an "ABCdarium" constructed in ominous rhymed couplets. The letters X and Z are particularly challenging in this format and are allowed a "cheat." The cheated word must contain the letter, the sound of the letter must be a major feature in how the word is pronounced, and it must be capitalized within the word.
A rhymes with B
C rhymes with D
E rhymes with F
etc.
New rule tweak: use present tense. "A is ..."