The letter a
vowel
The letter "E."
The letter "e" comes twice in the phrase "once in a year".
letter e
The letter 'e'
The letter 'e'. It appears once in year, twice in week and never in day.
The letter E appears twice in the word "week" and only once in the word "year."
The letter 'e'. It appears once in year, twice in week and never in day.
the letter "e"
once to twice per year
the letter "A"
The letter E appears twice in the word "week" and only once in the word "year."