My guess is that it shd be 'LENG1' (Cantonese)
or 'LIANG4' (Mandarin)...
Meaning 'handsome'...
As in... "LENG zai, lei hou yao yeng"
=> Hi Handsome, you look real cool... 
But if this is the case, that means the LHS of your letter is one
stroke short... shd be a 'qing1' (Green)...