The reading for 言 is one you haven't learned, so here's a mnemonic to help you:
Now imagine that there are words all over your coat (こと). It's completely covered in words. Which language are these words in? Why Japanese, of course! Think about which Japanese words you would want written on your coat.
I'd like to hire elves if I could, but It's difficult because of the language barrier.
It's hard to put into words, but Koichi is a very special person to me.
I was at a loss for words.