Everything has sugar in it, take all the cereal off the shelves it has tablespoons of sugar in per serving! Diet meals and bars have masses of sugar in to replace the fat removed bin them too.
glucose
sucrose
maltose
corn syrup
honey
hydrolysed starch
invert sugar
fructose
molasses
http://www.nhs.uk/chq/pages/1139.aspx?categoryid=51