mum left her daughter crying with laughter after making up her own phonetic alphabet, with O for Onion and N for Niagara Falls. Demi Cuthbertson, from South Lanarkshire, filmed her mum on the phone trying to spell out her surname while choosing random words.The 21-year-old asked 'does anyone else's mum make up their own phonetic alphabet' as she tried to contain her laughter while listening to the phone call.