Yimello,' said Bernard finally, breaking the silence.'Gesundheit?' I asked.'It's a name for one of the colors that's invisible to us. Yimello," said Bernard. "There could also be glowl and novaly and replitz."'Yes.' I nodded, stunned the kid could actually string together so many words at once. 'And, uh, don't forget the beautiful grynn, the luminous dulloff, or the subtle winooze.'Bernard's face lit up. He stood and started pacing the room, speaking quickly. 'Or salty, and insomnia, and carefree, and talkative, and lonely, and burnt, and punctual.''Some of my favorite colors,' I agreed, nodding. 'We could paint this room whisper. Or zigzag. Or maybe a nice shade of ignored and invisible.