Key to Abbreviations
Initials Name Meter
CM Common Meter 8.6.8.6.
CMD, DCM Common Meter Double 8.6.8.6.8.6.8.6.
LM Long Meter 8.8.8.8.
LMD, DLM Long Meter Double 8.8.8.8.8.8.8.8.
SM Short Meter 6.6.8.6.
SMD, DSM Short Meter Double 6.6.8.6.6.6.8.6.
PM Peculiar Meter Irregular