The rhyme scheme of Shakespeare' s sonnets is
AAABB CCDD EEFF GG.
BABAB CDCD EFEF GG.
CABBA CDDC EFFE GG.
DABCD ABCD ABCD GG.
AAABB CCDD EEFF GG.
BABAB CDCD EFEF GG.
CABBA CDDC EFFE GG.
DABCD ABCD ABCD GG.