All of the sonnets are composed of two quatrains followed by two tercets. These lines consist of five tercets and a quatrain at the end. The riddles themselves, written in tercets of dactylic hexameters, are of elegant Latinity. The poem consists of fifteen rhymed tercets; its prevailing meter is trochaic octameter catalectic. A villanelle is a nineteen-line poetic form consisting of five tercets followed by a quatrain. It consists of fourteen unrhymed three-line stanzas (tercets) and a one-line coda. Each section consists of four tercets (ABA, BCB, CDC, DED) and a rhyming couplet (EE). The sonnet is made up of two quatrains and two tercets of hendecasyllables. The poem is divided into eight chapters, and the versification is in tercets. The particular quatrains and tercets are divided by change in rhyme.