They have always called themselves "K-VEW", often with the channel number, 42, in the IDs. Not anymore. It's just 'Kapp K-View' (KAPP-KVEW). Full simulcast.
You're right on KNDO and KNDU - but they don't use the sounding in the IDs. They just call it 'NBC Right Now' and do not use the callsigns.
KIMA spells out the letters. KEPR does not - 'Keeper'. For a few years in the '90s, channel 29 Yakima did use a sounding of 'Ka-ima Television' in their IDs, much like KIRO does in Seattle. They later dropped the word use.