SN, SNI,
SNIISN (to
avoid introducing the current complex
classification)
AMAM (including XM from X-ray variables),
DQ (intermediate polars)
UG, UGSS, UGZUG, UGSS, UGZ
UGSUUGSU, UGWZ (WZ Sge type, extremely
long supercycles, large amplitudes),
UG_ER (ER Uma type, short supercycles and
normal cycles, small amplitudes; ideas of
a better abbreviation are welcome)