Use the stanza from our ECUERDO to answer the question

We are very tired. We were very Merry
We had gone back-and-forth all night on the ferry. It was barren, bright, and smelled like a stable.. but we looked into a fire we leaned across the table. We lay on a hilltop underneath the moon, and the whistles kept blowing in. The dawn, came soon which rhymes scheme is used in the stand of one RECUERDO
ABC ABC
ABC ABB
AABBCC
ABBCCA