Enter only one letter for letter. e.g. for ल्‌ use l.
Enter letters without intervening अ for pratyAhAra. e.g. for हल्‌ use hl.
Use this scheme for entering letter:
aAiIuUfFxXeEoOMH
kKgGN
cCjJY
wWqQR
tTdDn
pPbBm
yrlvSzsh;