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COMPOUNDS
nay thư 
faithfully your, sincerely yours, yours truly
quả là truly, in truth, definitely
quả thật truly, really, indeed
quả thế truly
quả thực fruits, gains; really, truly
quả vậy truly
thật là really, quite, truly
thật lòng really, truly (feel that)
nay thư faithfully your, sincerely yours, yours truly quả là truly, in truth, definitely quả thật truly, really, indeed quả thế truly quả thực fruits, gains; really, truly quả vậy truly thật là really, quite, truly thật lòng really, truly (feel that)