e
The letter DDAYDECADECENTURY
The letter D
the answer is the letter E
The letter 'E'
You mean 'once in a minute, twice in a moment. but not once in a thousand years. Answer is the letter 'm'
The letter "e"
The Letter "e"
The letter E
The letter E
The letter "E"!
The letter DDAYDECADECENTURY
The letter "e."
M
It depends on the decade. Sometimes once, sometimes twice.
Letter e
The letter DDAYDECADECENTURY
The letter "u" occurs twice in August, once in June, but never in September.