You would spell it IC (pronounced eye-see, or icy).
IC
You spelled it correctly: chilly.
It's spelled "chilly," as in, "The weather in Chicago was chilly." Chili, the food, is spelled as such.
VERY COLD
You can spell candy with the letters C and Y. (CandY)
Those letters will spell fruit fest.
very cold
That is the correct spelling of "chillier" (more chilly).
ha ha you can't spell
Those letters spell natural.
Blndpg
The letters in "these letters" can spell the phrase "ether settles." The letters can spell shorter words such as trestles, sheerest, shelters, and treeless.
There is no anagram, The letters can spell phrases such as "weeds waging" or "swigged anew" but nothing more meaningful. Without the 2 Ws, the letters spell "disengage." Other shorter words: geegaws, endwise, and wedgies.