None. The syllables are AR ROW. W could be considered silent but if you ask a linguist he or she would say the w sound is heard at the end.
The silent letter in the word "wrote" is the silent W.
The silent letters in the word "right" are the 'gh.'
The word "queue" has the most silent letters, with all four of its letters being silent.
The letters "l" and "d" are silent in the word "could".
In the word "punctuation," the silent letters are "u" and "a." The "u" is silent, as it is not pronounced in the word. The "a" is also silent, as it does not have a distinct sound in the word.
The silent letters in the word "throat" are the 'h' and the 'a'.
The silent letters in the word "discussion" are the "sc" in the beginning.
The silent letters in the word "know" are the 'k' and 'w'. They are not pronounced when saying the word.
The silent letters in the word "phthistic" are "p," "h," and the first "t."
There are no silent letters, all letters are sounded.
The silent letters in "foe" are the "e" at the end of the word.
There are NO silent letters in the word bin.