The pronunciation is spil or spyl.
The word "it" is all one syllable.
The word is all one syllable.
One You hear the -d on the end of it but this is the same as catch. You hear the -ch but they don't make their one syllable.
The word write has got one syllable.
Said only has one syllable. This means the whole word is the syllable.
Tree only has one syllable - the entire word.
The word "coy" has one syllable.
Yes the word skull is a one syllable word.
The word bruised only has one syllable. This means the whole word is the syllable and so there are no syllable breaks.
one syllable
one syllable
one syllable