Para-vidya (37 Letter
mantra)
OM AIM KLIM
SAU KA E I LA HRIM SAU KLIM
AIM
OM AIM KLIM
SAU HA SA KA HA LA HRIM SAU
KLIM AIM
OM AIM KLIM
SAU SA KA LA HRIM SAU KLIM AIM
OM
In all these instances,
the basic structure is that of panchadasi and care is always taken to
group the letters and other seed syllables into three explicit units, with
fourth unit either spelt out or implied.