There is no k.

It is--." And he would illustrate to me again, for the twentieth time that morning, how it should be pronounced; the sad thing being that I could never for the life of me detect any difference between the way he said it and the way I said it.

So he would try a new method.
"You say it from your throat," he would explain.

He was quite right; I did.

"I want you to say it from down here," and with a fat forefinger he would indicate the region from where I was to start.