Read the stanza from “the charge of the light brigade: ”
“forward, the light brigade! ”
was there a man dismayed?
not though the soldier knew
someone had blundered.
theirs not to make reply,
theirs not to reason why,
theirs but to do and die.
into the valley of death
rode the six hundred.

what is the rhyme scheme in this stanza?

a a b c d d d e c

a b b c c d d e c

a b b c d d e e c

a a b b d d e e c