NU tone (telecommunications)

Number unobtainable tone

• knee socks
• knee-stop
• knee-stops
• knees-up
• knees-ups
• knee-swell
• knee-timber
• knee-timbers
• knee-trembler
• knee-tremblers
• knee-tribute
• kneidel
• kneidlach
• Kneipe
• knell
• knelled
• knelling
• knells
• knelt
• Knesset
• knevell
• knew
• knicker
• knickerbocker
• knickerbocker glories